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TiEU2019ViennaProceedings
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 2019: Vienna, Austria Executive Summary Report - Click here for Download pdf

 

Speaker Slides and Video Proceedings are posted below under each Speaker Bio.
If Speakers do not wish to have their presentations published, this information is noted below.

Speakers

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Henry Seiner

Vice President – Business Strategy
TIMET, Titanium Metals Corporation
Topic:  Engines
Tuesday 14th May
Start Time:  09:00
Meeting Room:  Olympia Manchini 3A & 3B

Mr. Seiner, TIMET's Vice President of Business Strategy, oversees the Marketing, Product Management, Purchasing and Production Planning organizations for TIMET. In this role, he has responsibility for and visibility into all aspects of TIMET’s supply chain.

Henry is based in TIMET's Toronto, OH facility which is geographically and structurally located in the middle of TIMET's global supply chain. He has held various positions in Production Planning, Manufacturing, Purchasing and Marketing in his 25 year tenure at TIMET.  He currently serves as Past President of the ITA. 

Prior to coming to TIMET, Henry spent six years at U. S. Steel Corporation in Sales, Marketing and Production Planning. His educational background includes a Masters Degree from Carnegie Mellon University in Pittsburgh, PA and a Bachelors Degree from Duke University in Durham, NC. Henry is a native of Pittsburgh and continues to reside in Western Pennsylvania.

 

 

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Bessie Williams

Director of Procurement Operations
Arconic Engineered Structures
Topic:  Structures
Tuesday 14th May
Start Time:  09:15
Meeting Room:  Olympia Manchini 3A & 3B

 

Bessie Williams is the Global Director of Procurement of Arconic Engineered Structures, a world-class producer of titanium aero ingots and mill products and a leader in highly-engineered, multi-material structures for aircraft.  AES combines metallurgical expertise in titanium and aluminum with vertically integrated manufacturing capabilities—including forging, extruding, hot forming and machining—to produce innovative products for the aerospace, defense and industrial markets.  Bessie joined the Company in 2005.

Since 2005, Bessie has served in a progression of leadership roles at Alcoa and RTI International Metals, Inc, which is now Arconic Engineered Structures.  She led the procurement integration following two acquisitions that included Traco and RTI International Metals, Inc. as both businesses were acquired by Alcoa.

Bessie graduated with a bachelor of science degree in business administration in 2005 from the University of Arkansas.  She also received an MBA from the University of Arkansas, Walton College of Business in 2008. 


 

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Albert Bruneau
President
Neotiss High Performance Tube
Topic:  Industrial Markets
Tuesday 14th May
Start Time:  09:30
Meeting Room:  Olympia Manchini 3A & 3B

Albert BRUNEAU is President of Neotiss High Performance Tube (formerly Vallourec) since 2013. Neotiss, headquartered in France, is the worldwide leader of titanium and stainless steel welded tubes for heat exchangers, with facilities and sales forces based in five countries on three continents: France, United States, China, India and Korea.
Prior to Vallourec Heat Exchanger Tubes, Albert Bruneau has held numerous senior sales & marketing management positions within Vallourec group mainly for the Oil & Gas industry, involved in Europe, South America, Africa and Middle East.

Albert Bruneau graduated from French Engineering School ESPCI and conducted one Executive MBA at the French Business School HEC.

 

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Martin Pike

Vice President - Commercial
ATI Specialty Materials
Topic:  Defense
Tuesday 14th May
Start Time:  09:45
Meeting Room:  Olympia Manchini 3A & 3B

Martin Pike is the Vice President - Commercial for ATI Specialty Materials with responsibilities which include business development, international product management, sales, and long-term agreements with customers. Martin joined ATI in August 2001 and held several positions with increasing responsibility including Titanium Rolled Products, Director of Product Manager and Director of Sales. Prior to joining ATI, Martin worked in manufacturing where he held various commercial positions including Regional Vice-President of Sales. His educational background includes a Bachelor’s Degree from the University of North Carolina at Charlotte.

 

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Michael Metz

President
VSMPO Tirus US
Topic:  Russian Titanium Market
Tuesday 14th May
Start Time:  10:00
Meeting Room: Olympia Manchini 3A & 3B

Michael Metz joined VSMPO - Tirus, US in November 2003 as Vice President, Commercial and was named President of the organization in 2007.  VSMPO is the largest producer of titanium in the world, vertically integrated from titanium sponge manufacture through melting and mill products such as plate, sheet, bar, billet, wire, and welded and seamless tubing. In addition, VSMPO supplies titanium closed die forgings for airframe and engine applications. Mike has served on the International Titanium Association Board of Directors since 2007 holding the positions of Director, Vice President and President.

He has significant experience in the titanium industry, having had held positions in sales, distribution, product management, market research and forecasting at Titanium Metals Corporation from 1986 to 2003 before joining VSMPO. Mike graduated from Hamilton College in 1981 with a BA in economics, and from Carnegie – Mellon University in 1983 with an MBA.

 

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Laurent Jara

Vice President, Metallic Materials
Airbus S.A.S.
Topic:  Distinguished Guest
Tuesday 14th May
Start Time:  11:00
Meeting Room:  Olympia Manchini 3A & 3B

A Master of Engineering graduate of the Ecole Nationale d’Ingénieurs de Saint-Etienne (France) and of the university of Portsmouth (UK), Laurent Jara began his career in 1994 within the Steel industry as business process reengineering project manager. In 1997, he joined the Paris office of one of the “big five” consulting company to serve as consultant manager in various international industrial groups (steel, heavy turbines, household equipments, smart cards…) on mainly post-merger transformation projects. In the context of the creation of EADS, he joined Airbus in 2001 becoming manager of the post merger integration project for the domains Procurement, Manufacturing and Information systems. He was appointed Vice President Capital Investment and Maintenance procurement in 2006 for Airbus and leadbuyer for the group leading the A350XWB industrial system sourcing.  In 2011, he became Vice President Strategy of EADS (Group) indirect procurement in the frame of the creation of the group shared service. He was appointed Vice President Metallic Detail Parts Procurement for Airbus and leadbuyer for the group in 2014 with the mission to adapt the supply base to the industrial ramp-up of Airbus aircraft programmes which took the form of the D2P (Detail Parts Partners) programme. He is appointed in January 2018 as Vice President Metallic Material Procurement for Airbus and the group to launch the IM3 (Integrated Metallic Material Management) transformation programme.

 

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Martin Mueller

Manager Powder Operations
Sandvik Machining Solutions, Additive Manufacturing Division
Topic:  Additive by Sandvik: From titanium sponge to finished AM-components
Tuesday 14th May
Start Time:  13:00
Meeting Room:  Olympia Manchini 3A



The presentation will focus on the unique capabilities within Sandvik concerning titanium and cover the complete production chain from titanium sponge to finished additive manufactured (AM) components.
In the presentation the different production process steps from titanium sponge to final sieved titanium powders will be described. This will include the production and welding of electrodes and titanium powders production with VAR and EIGA systems and processes.

In addition to the titanium powder production the additive manufacturing of titanium components by powder bed fusion laser (PBF-L) will be presented. Here, the recently developed CoroMill 390 LW, which is topologically optimized for milling with long over hangs, will be highlighted. CoroMill 390 LW is utilized for demanding milling operations without producing vibrations. Vibrations is reduced due to less weight. The weight is reduced by 80% and the productivity increased by more than 200 %. This tool is a good example of the large benefits which can be achieved when combining light strong materials such as titanium with advanced manufacturing processes like additive manufacturing.

Martin Mueller is Powder Operations Manager within the Additive Manufacturing Division of Sandvik Machining Solutions. He holds a MSc degree in Materials Science and Metallurgy from Royal Institute of Technology in Stockholm Sweden and has been employed by Sandvik since 1995. Mr. Mueller is an experienced senior manager and project leader with a broad background from production management, sales and marketing, R&D and general management.

 

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Volker Güther

Head of Product Development of the Business Unit Titanium Aluminides
AMG Titanium Alloys and Coatings
Manufacturing of TiAl Powders based on Electrode Induction Gas Atomization
Tuesday 14th May
Start Time:  13:20
Meeting Room:  Olympia Manchini 3A

Advances in Additive Manufacturing (AM) of TiAl components by powder bed fusion technologies based on both electron beam (EBM, Electron Beam Melting) and laser beam (SLM, Selective Laser Melting) processing has led to an increase of the demand on spherical TiAl powders.  Different powder manufacturing technologies offer specific technical advantages and disadvantages.

The Plasma Rotating Electrode Process (PREP) provides powders of excellent spherical shape with no porosity, whereas the resulting particle size distribution does not meet the AM needs.  The melting of TiAl in a cold wall induction crucible and the atomization of a melt stream via a bottom outlet provides a limited control particularly of the melt rate (VIGA, Vacuum Induction Gas Atomization) and, thus, some restrictions for improving the specific powder yields.

The EIGA process (Electrode Induction Gas Atomization) offers a reasonable control of melting and atomization parameters but requires special feed stocks and is limited in batch sizes. Anyhow, the EIGA process seems to provide a well-balanced compromise for TiAl powder production with regard to physical powder properties, productivity and specific powder yields. The paper describes the feed stock production and the melting and atomization of the feed stocks to powder. The screening of the atomized raw powder is done by a vibrating tumbler siever under controlled Argon atmosphere. Physical Powder properties and the impurity pick-up during melting, atomizing and screening have been evaluated.

Dr. Volker Güther is the Head of Product Development of the Business Unit Titanium Aluminides of AMG Titanium Alloys and Coatings (legally GfE Metalle und Materialien GmbH, Nuremberg, Germany). After graduation in solid state physics in 1983, he started his industrial career in the R&D on powder metallurgy of high melting refractory metals. In 1992 he joint GfE as the R&D Manager.

 

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John Rushton

PowderLife Manager
LPW Carpenter Additive  
Topic: Mitigating risk, improving safety and maximizing economics from material development, through metal AM powder production to functional part.
Tuesday 14th May
Start Time: 13:40
Meeting Room: Olympia Manchini 3A

Abstract
Mitigating risk, improving safety and maximizing economics from material development, through metal AM powder production to functional part. Mitigating risk, improving safety and maximizing economics from material development, through metal AM powder production to functional part.  Safety and cost are key drivers for sustainable additive manufacturing and the key to unlock this is the re-use of metal powder, but as an industry do we have the confidence in our processes to continually re-qualify our powder?  When LPW Carpenter Additive consider building confidence in our processes we consider the barriers to sustainable AM and how we overcome them; we categorize these barriers into; Economics, Safety and Risk. Considering the use of specialty alloys, including Titanium, LPW Carpenter Additive will present on each of these topics and the reason why we believe each of these areas is critical to understand; we will also demonstrate how robust controls and innovative technologies can be put in place to not only instil confidence, but to deliver tangible benefits.

Bio
John Rushton is the PowderLife Manager at LPW Carpenter Additive. In his role, John focuses on powder handling and management solutions for industry that reduce risk, improve safety and optimise economics through the use of innovative technologies developed by LPW Carpenter Additive.  After graduating from Loughborough University with a bachelor’s degree in Product Design and Manufacture, John went on to work for a global drinks and dispense company working on product design, responsible for translating customer needs into concepts and scalable production. From here, he spent time with Rolls-Royce, as product owner for an engine critical, complex support structure for the Rolls-Royce Trent 1000.  After this, John started working as a consultant for Sharing in Growth, an industry backed programme to develop the UK aerospace supply chain. LPW Carpenter Additive was one of the high performing companies identified in the programme.

 

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Kamal Bounouara

President
x3D Group SAS
Topic: Additive Manufacturing of Structural & Critical Large Scale Parts
Tuesday 14th May
Start Time: 14:30
Meeting Room: Olympia Manchini 3A

Abstract
Presentation of EBAM technology Electron Beam Additive Manufacturing (EBAM) technology has been developed to reduce lead time and cost to manufacture large scale parts in advanced & complex metals & alloys. With its very high HDR (10-12 kgs/hour), its deposition process into a large vacuumed chamber and its multi-axis motion system, EBAM is a production ready technology for serial production. Qualified by Lockheed Martin in July 2018 and currently in the qualification process at other jets & engines manufacturers, EBAM technology is the most mature wire-based technology for aero, space, defense & nuclear sectors.

 

Biography
With 20 years of experience in the Manufacturing New Technologies sector, Kamal is driving x3D Group, a French organization specialized in 3D Printing & Additive Manufacturing, serving major players in several industries. x3D Group supplies parts & prototypes (polymer & metal), offer 3DP industrial systems, and helps Aero players to investigate the EBAM benefits (production of samples & prototypes, production of demonstrators and final parts, machine sales).

 

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Tanja Arunprasad
Expert Additive Manufacturing
Linde Gas
Topic:  The influence of Helium on processing Ti-6Al-4V powder via laser powder bed fusion
Tuesday 14th May
Start Time:  14:45
Meeting Room:  Olympia Manchini 3A

Abstract
Laser powder bed fusion (L-PBF) is a powder bed-based method in the additive manufacturing field allowing to produce metal parts based on a sliced computer-aided design (CAD). A bottom up approach is used to build the final structure layer by layer. The process takes place under a recirculating protective gas atmosphere. L-PBF processing of Ti-6Al-4V is generally carried out under Argon. The main role of the gas stream is to shield the melt pool from oxygen to avoid formation of oxides in the printed part. In addition, the recirculating gas removes process emissions from the powder bed and keeps the process chamber clean. So far, the processing atmosphere is not considered to influence the additive manufacturing process. Therefore, Helium was introduced into the chamber atmosphere which shows significant differences in density and cooling capacity than Argon. The processing parameters were varied to determine effects on the L-PBF process as well as testing of porosity, microstructure and mechanical tests were carried out to investigate the final part quality.

Biography
Graduated Material Science from Friedrich-Alexander-University Erlangen-Nuremberg (MSc.) in 2015.  Startet career as a metallurgist with Böhler Pacific in Singapore and transferred to voestalpine Additive Manufacturing Center Singapore taking on the role of R&D Manager in 2017. Joined Linde Global development Center for Additive Manufacturing in Germany in 2018. I have gained detailed insights into Direct Energy Deposition and Laser Powder Bed Fusion. Currently the influence of the build chamber atmosphere on the AM process is most interesting to me.

 

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Art Kracke

President
AAK Consulting L.L.C.
Topic:  Impact of Additive Manufacturing and MIM on the Future of the Titanium Industry
Tuesday 14th May
Start Time:  15:00
Meeting Room:  Olympia Manchini 3A

 

Abstract
Titanium and titanium alloys (simply called titanium from this point on) help enable aerospace, biomedical, chemical, and powder generation industry applications. Its high strength-to-weight ratio, biocompatibility, and corrosion resistance are primary drivers. Titanium’s limitation has been its relatively high cost versus other industrial metals. Work has been funded for decades to lower the cost of producing titanium. While progress has been made, titanium’s applications remain where its use is essential for system performance reasons, not because it would improve the applications’ performance. Competitive alloys systems, such as aluminum and high strength steels, with lower prices challenge titanium reducing its use. In this environment, titanium consumption has grown in conjunction with its consuming industries, the development of titanium alloys, and incremental applications. However, titanium continues to be underutilized.

 

Topic:  Coogee Titanium's Melt-free Continuous Titanium Alloy Powder: Production Facility and Development Center
Tuesday 14th May
Start Time:  16:00
Meeting Room: Olympia Manchini 3B

 

Abstract
The advanced manufacturing industrial revolution awakened the demand for powder metals.  Virtually no alloy system is being left behind as businesses, from around the world in diverse industries, participate in the revolution.  Perhaps, the powder alloy system seeing the greatest growth is titanium.   This presentation will discuss Coogee Titanium, an Australian based company, and their 10+ year innovative development work, which resulted in the construction of a production facility for melt-free continuously produced Ti 6-4 and 6-4 Eli powder. Melt-free processing promises to dramatically lower cost, facilitating growth of titanium alloy powder metal parts and components for years to come.

 

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Sophie Dubiez-Le Goff
Application Technology EMEA Hub
Linde AG - Linde Gas Division
Topic: Comparison of Ti64 components fabricated using L-PBF processing under helium instead of argon.
Tuesday 14th May
Start Time: 15:15
Meeting Room: Olympia Manchini 3A


Abstract
The aim of this study is to demonstrate the interest of using helium instead of argon as the process gas during Laser-Powder Bed Fusion (LPBF) processing to avoid the so-called “Thermally Induced Porosity” (TIP) phenomenon.  The main source of porosity in parts fabricated using L-PBF process is indeed mostly due to the LPBF process itself and inadequate process parameters, resulting in gas entrapment. Hot Isostatic Pressing (HIP) is considered efficient method to remove pores and improve component properties. However, argon, usually used as a shielding gas during LPBF, is unable to diffuse out of the material during HIPing and thus remains in the sample within the small collapsed pores at a higher internal pressure. These pores could then re-open under following heat-treatment or during components application at high temperature (TIP phenomenon).   In this study we are monitoring of the porosity evolution thanks to micro-computed tomography during different stages of Ti64 component processing: as-built under argon or He, after Hot Isostatic Pressing (HIP), and after heat treatment.

 

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Oleg Mityashkin

Project Engineer
Hermith GmbH
Topic: "Warm" Wire Drawing
Start Time: 14:30
Meeting Room: Olympia Manchini 3B

In 2018 Hermith GmbH has developed and patented the technology of the “warm” wire drawing for the production of titanium wire for additive manufacturing. This technology in comparison to the well-known cold drawing allows to increase speed and rate of deformation of the wire which leads to a bigger productivity. There is no need to anneal the wire between the stages in the warm drawing technology, so we also decreased the production time by not doing the inter-stage heat treatments. With the technology developed by Hermith GmbH it is possible to decrease the cost price and the production time. This allowed Hermith GmbH to become a very competitive player on the market. We also plan to supply the titanium wire to the companies, producing fasteners, and medical implants. A new modular design of the wire production line was developed on the basis of our technology. The new production line was presented to our main customer, leading producer of the airplane parts, using the additive manufacturing method - Norsk Titanium, who has the strictest requirements among the consumers of the titanium welding wire. We have already agreed with Norsk Titanium on the first supply of titanium wire. Now our wire production process is on undergoing qualification by other aerospace companies.

Moreover, Hermith GmbH will produce the additive titanium wire from sponge down to the final product and therefore will control the quality on each stage of production and will not depend on the other suppliers. This is the Vertical Integration of supply all big OEM’s are pushing for.

Oleg Mityashkin has graduated from Kazan State University, Nuclear physics laboratory, Russia with a Diploma in Solid State Physics in 2009. In 2013 he has completed PhD in Dresden University of Technology, Germany. The doctoral research was in the framework of an international collaborative European Union project “Marie Curie Initial Training Network” and involved studying thermal and magnetic properties of materials. From 2013 Mr. Mityashkin worked in the oil and gas industry and developed the magnetic pulse defectoscope for the oil wells investigation.

 

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Benedikt Blitz

Managing Director
SMR Premium GmbH
Topic: Update on Forged Special Steels, Remelting and Powder Metallurgy
Tuesday 14th May
Start Time: 14:45
Meeting Room: Olympia Manchini 3B

Abstract
The presentation will highlight the recent developments in the world of Forged Special Steels and remelted steels (nickel alloys, stainless steel, alloy tool steel and alloy steel) as well as will give an overview about end-user demand and structures of these special steels and also summarize the actual status of installations (forging presses and remelting units) on a global scale. The speech will also focus on the production of Metal Powders and Powder Metallurgical Steels and especially its associated production technologies like HIP, MIM and AM. As they are and will become key future core technologies for a number of demanding products and thus for the usage in different associated industries. The presentation will also highlight the actual supply and demand situation of metal powders and the manufactured metal powder steels, will introduce leading manufacturers of both powders and steels, and summarizes installed capacity and new capacity that are on the way.

Biography
Mr. Blitz graduated from the University of Applied Sciences, Austria and holds a degree in Process Technology and Environmental Technology. Benedikt started to be active in the metal industry in 1998. In 2007, he joined SMR specializing in the field of the stainless steel on a global scale and became Senior Market Analyst in 2012. He primarily worked on projects with a focus on specialty industry segments, special products (forgings, remelted steels) as well as a focus on process technology for global leading players. In April 2015 established a new company named SMR Premium GmbH, to grow and focus on market research for the world of High Value Metals. Benedikt became Partner and Managing Director of SMR Premium GmbH.

 

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Don Nelepovitz

President
HyperForm Technologies (HFT)
Topic:  Advanced Elevated Temperature Titanium Forming Technology
Tuesday 14th May
Start Time:  15:00
Meeting Room:  Olympia Manchini 3B

It is now possible to achieve a vastly wider scope of titanium sheet metal formed components complex shapes from planar to barrel, with improved levels of precision and virtually 100% yield.  Elevated temperature forming using self-contained form tool assemblies, coupled with vacuum furnace technology has successfully been used for titanium components for a wide array of aerospace applications: Lockheeds F-22, F-35 prototype, Airborne Laser, Northrops B-2 and X-47B, as well as commercial aircraft components for Boeing and Airbus.  The highly uniform forming environment has demonstrated exacting process repeatability and yields formed components with little or no material surface alpha-case. Innovative titanium sheet handling during forming allows superior material flow that aids in significantly improved thickness retention. This technology utilizes readily available non-metallic tooling material that is both lower cost and gives shorter lead times. Using current state-of-the-art computer simulation technology, costly process development trials have been eliminated, resulting in rapid achievement of first article titanium components and assemblies. The typical no alpha-case outcome has eliminated the need for post-form chemical milling. The vastly improved adherence to profile tolerances has earned the name: High Precision Sheet Titanium HPST.  This cutting edge technology will widen the range of titanium-engineered products and enhance the usefulness of titanium to aerospace and other industry applications.

Don Nelepovitz is currently the President of HyperForm Technologies (HFT), a company he founded to expand the use of innovative titanium forming techniques. Working in collaboration with a number of commercial and military aerospace companies, he has guided the engineering and manufacture of numerous specialized formed titanium products.  A number of patents were written and awarded to HFT for processes related to elevated temperature titanium forming.  Initially, HFT worked to build major titanium airframe panels for Lockheeds JSF/F-35 program.   HyperForm partnered with an electron-beam welding company and built titanium components.

 

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Harald Korbel

Vice President, Titanium Technologies
INTECO Melting and Casting Technologies GmbH
Topic: Production of Premium Quality Titanium Ingots by Combination of Different Melt Process Technology and Digitized Production Management
Tuesday 14th May
Start Time:15:15
Meeting Room: Olympia Manchini 3B

In the field of investment projects for new titanium ingot production lines, a lot of aspects have to be considered and respected. The scope of activities ranges from basics such as a target capacity and process definition, work shop requirements up to evaluation of final products, their application and markets.
In a next step, the equipment needed has to be identified with subsequent evaluation of detailed functionalities of the equipment. Furthermore the smart match and combination of core production equipment e.g. EB and VAR furnaces with their related auxiliaries is a key factor for the final success of a newly set up process line.

With regard to the final material application and quality target, the work & material flow and every detail of the work shop has to be considered in order to comply with highest aerospace quality requirements for premium and disk quality ingot production.

Last but not least the digital production management characterized by data recording as basis of process monitoring, documentation, controlling and optimization over the entire manufacturing route of titanium products (e.g. from the raw materials up to shippable products), has to be implemented demonstrating compliance with an individually defined Industry 4.0 approach from the beginning.  Based on the above, the present paper describes the development and realization of the project from the very beginning until the first heat by end of 2018.

Mr. Korbel has been employed with INTECO Melting and Casting Technologies GmbH since 2016.

 

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Sungwook Kim
Principal Researcher
RIST
Topic: Microstructural and Mechanical Properties of Directed Energy Deposited Titanium Layers
Tuesday 14th May
Start Time: 16:00
Meeting Room: Olympia Manchini 3A


Abstract
Application of additive manufacturing processes has been actively introduced to produce complicated precision parts. However, in the case of large parts, it takes a long time to make and it is not easy to realize the shape by deformation. Therefore, DED(Directed Energy Deposition) type AM process development is actively carried out for large parts. It can use powders of conventional spray coating, and it is possible to attach a deposition head to a robot and a gantry, and thus it is excellent in expandability to processes such as cutting and surface treatment. Despite its many advantages, AM process is not actively applied because of doubts about defects and mechanical properties. Defects occurring during deposition can be solved by monitoring, process improvement, etc., and mechanical properties can be improved through post-heat treatment. In this study, the Ti-6Al-4V alloy powder was deposited by the DED process, and the mechanical properties of the bulk material were obtained by post-heat treatment.



Biography
Dr. Sungwook Kim has been working for the Metallic Materials Research Group at RIST(Research Institute of the Industrial Science and Technology) in South Korea. His major fields of research focus on welding, surface modifications and additive manufacturing of metallic materials. He is currently interested in welding and additive manufacturing of titanium parts.

 

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Alexandre Bois-Brochu
R&D Project Manager - Additive Manufacturing
Quebec Metallurgy Center
Topic: Optimization of Heat Treatment for Ti-6Al-4V Produced by Directed Energy Deposition
Tuesday 14th May
Start Time: 16:15
Meeting Room: Olympia Manchini 3A


Abstract
Parts presenting casting defects linked to the surface are usually discarded. The use of powder based directed energy deposition (DED), allows repairing such parts, which decreases the ratio of rejected parts, therefore increasing production efficiency. It was shown in a previous study that DED can be used to produce high quality repair of cast parts, the current presentation will demonstrate the optimization of resulting mechanical properties through heat treatment.  Directed energy deposition using powder projected into a laser beam can rebuild surfaces with precision while limiting the distortion as opposed to repairs produced using traditional welding. Furthermore, it can produce full parts with sound microstructure and high mechanical properties. However, the standard heat treatment are designed for wrought parts or are not optimized for 3D printed DED produced parts. For this reason, specimens were printed using DED in order to optimize mechanical properties as a function of heat treatment. Both Grade 5 and Grade 23 Ti-6Al-4V powders were used for this optimization. Following production, the specimens were submitted to multiple heat treatments in accordance with AMS 4999 and AMS 2801. The objective was to select existing heat treatment conditions, which would allow quick implementation in production of Ti-6Al-4V parts.  The specimens were inspected by radiography and ultrasonic testing and the results show that they were conform to standards. The microstructure was evaluated throughout as a function of the heat treatment to better understand the effect on mechanical properties. The resulting mechanical properties were shown to be higher than the requirements for wrought, cast parts and parts produced by DED.

 

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Thomas Christiansen
Associate Professor
Technical University of Denmark (DTU), Department of Mechanical Engineering
Topic: Low temperature surface hardening of titanium
Tuesday 14th May
Start Time: 16:30
Meeting Room: Olympia Manchini 3A


Abstract
Titanium has several technologically attractive features/properties, such as high specific strength, excellent corrosion resistance and biocompatible behavior. However, one of the major shortcomings of titanium is its poor wear resistance, e.g. it suffers from galling when subjected to metal-to-metal contact applications. Already in the early days of the titanium development remedies to the poor wear behavior were sought: in the 1950s it was shown that (gaseous) nitriding could be applied as a means to reduce wear. Nitriding results in a yellow  surface consisting of TiN on top of a layer of Ti2N and a diffusion zone of nitrogen in solid solution. The nitriding process requires relatively high temperatures (e.g. above 900°C) and will result in - typically undesired - changes in the bulk microstructure and of the dimensional stability. Titanium is unique in the way that it has a very high affinity for interstitial elements and it readily forms compounds (oxides, nitrides, carbo-oxides). Over the years, several other routes for surface hardening have been attempted, including various gas and plasma-based methods relying on incorporation of mainly nitrogen and oxygen. The major problem is to achieve surfaces where the aesthetic metallic luster/color of titanium is maintained and where the mechanical properties are not impaired by the treatment.  The present contribution showcases newly developed low temperature surface hardening processes, which result in highly aesthetic surfaces where the metallic luster of the titanium is retained. The hardening relies on interstitial elements in solid solution in the metallic titanium, i.e. without the presence of surface compounds. The hardness can reach values in excess of 1000 HV thus providing a fully scratch and wear resistant surface.  The low temperatures applied entail that the bulk microstructure and mechanical behavior are largely unaffected by the surface hardening process; it is even anticipated that the fatigue performance will be improved. Examples of surface hardening of different titanium grades will be presented together with selected industrial applications.

 

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Cecilie Funch
PhD Student
Technical University of Denmark
Topic: Heat treatment and surface hardening of SLM 3D printed Ti6Al4V
Tuesday 14th May
Start Time: 16:45
Meeting Room: Olympia Manchini 3A


Abstract
Titanium Ti-6Al-4V is the industrially preferred titanium alloy due to its excellent strength-to-weight ratio, good heat treatability and relatively high service temperatures. Selective laser melting (SLM) has been shown to be a cost effective route for fabricating parts made of Ti-6Al-4V as it off-sets the high raw material cost with a low material waste, i.e. the so-called buy-to-fly ratio. The SLM process is a near net-shape process, so material is only solidified where necessary thus reducing the overall raw material use and the need for machining.  For conventionally produced titanium Ti-6Al-4V, heat treatment is an integral and important part of tailoring the properties, for example with respect to high strength and fatigue resistance. Various microstructures can be obtained, such as “bi-modal”, “fully lamellar” and “mill-annealed”. Typically, the heat treatment requires a mechanical step, i.e. thermo-mechanical processing, in order to arrive at the desired microstructure and properties. For printed parts of Ti-6Al-4V such thermomechanical processing is not an option and is not compatible with the nature of near net-shape processing of 3D printing. The microstructure of as-printed Ti-6Al-4V consists of very fine martensite due to the high cooling rate associated with SLM processing. Hence, the as-printed microstructure deviates markedly from what is achievable in “conventional” parts, where such extreme cooling rates are not reached. The unique microstructures obtained with SLM dictate different heat treatment approaches in order to “modify” the microstructure and to tailor the properties.  The present contribution presents new routes for tailoring SLM produced microstructures by heat treatment. Inspiration is found in relatively recent developments in heat treatment of cast titanium parts, viz. formation of so-called bi-lamellar microstructures.

 

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Alan Wagner

Head of Business Development, Metals BU
Cristal Metals, Inc.
Topic: The Middle East Market for Titanium
Tuesday 14th May
Start Time: 13:00
Meeting Room: Olympia Manchini 3B

The Middle East region is highly dependent on reliable materials that can withstand long exposures to seawater and to harsh, corrosive chemicals making it a great opportunity for titanium. Desalination, power generation, and chemical processing are all current major users of titanium. Although reverse osmosis as a technology has gained significant market share in desalination and requires almost no titanium, there is still a demand for thermal desalination plants with a substantial opportunity for titanium content, particularly when constructed with large power plants. Construction of nuclear power plants in the region will also present additional demand for titanium. The Middle East has made substantial investments over the past several years to the petrochemical industry to increase capacity and to continue to move to more downstream, complex chemical products. This shifting focus will increase demand for more corrosion-resistant materials. Currently there is no titanium production in the Middle East and most equipment with titanium content is delivered into the region. The trend towards more local manufacturing and local content, spurred on by government initiatives to develop titanium metal and other non-oil based industries, is driving development of new projects in the region. It is therefore of value to investigate this geographical region’s potential as one single market. Within this presentation, market opportunities and demands will be considered to give a perspective of titanium needs over the next several years.

 

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Pol Rixhon

Sales Director
Welders N.V.
Topic:  Use of Titanium in the Pressure Vessels Industry
Tuesday 14th May
Start Time:  13:15
Meeting Room:  Olympia Manchini 3B

The following items will be discussed in this presentation:
•    Type of equipment built in Titanium (Heat Exchangers, Reactors, Internals, Tanks,...)
•    Titanium grades most commonly used in our industry
•    Design codes allowing Titanium (ASME, EN, ...)
•    Advantages of Titanium versus other metals from a technical point of view
•    Advantages of Titanium versus other metals from an economical point of view
•    Use of Titanium in solid versus in cladded form
•    Specific topics relevant to construction & welding of Titanium equipment

 

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Olivier Sarrat

Manager Business Development
NobelClad Europe
Topic:  Ultrasonic Examination of Titanium Explosion Cladded Plates for Condenser Tubesheets Used in Nuclear Power Plant Environment
Tuesday 14th May
Start Time:  13:30
Meeting Room:  Olympia Manchini 3B

Almost all the power generation plants located close to seashore using sea water for cooling and condensate electrical turbine steams designs the condenser tube sheets with Titanium tubes. In that configuration, tubesheets also shall be lined with titanium to ensure  sealing  between  tubes  and collector. The most reliable solution to get that Ti lining is the explosion cladding of Ti sheet on a carbon substrate. Nobelclad has delivered almost all those Titanium condenser tubesheets to EDF revamping program and to some new grassroot plants like Hinckley point. The nuclear requirements in terms of Non Destructive examination are    very stringent. Ultrasonic inspection being one of them  is considered as  the most reliable NDE available to check the integrity of the bonding. Therefore, the UT technology used to scan plates and detect potential disbonding is obviously the most detailed and accurate one.

NobelClad is the global leader in dissimilar metal cladding services. Olivier Sarrat is the Business Development Manager focused on the chemical and petrochemical industry at NobelClad. Sarrat has a master’s degree in Mechanical Engineering and is currently working toward a master’s degree in Strategy and Management of International Business. He has 23 years of experience with NobelClad in contract management, operations management and supply chain. He has extensive knowledges in explosion bonding manufacture and control.
Sarrat will focus on developing new opportunities for NobelClad to serve the chemical process industry. Historically one of the stronger business segments for NobelClad, the chemical market is a fertile ground for clad metal products that address high temperature, high pressure, and corrosive environments to deliver safe, reliable and economical solutions.

 

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La Chance Lepemangoye

Université de Bourgogne & Neotiss SAS
Topic: Impact of Hydrogen on the Behavior of Titanium Alloys Welded Tubes
Tuesday 14th May
Start Time: 13:45
Meeting Room: Olympia Manchini 3B

Due to its very small size (0,45 Å), hydrogen can easily find its way into the interstitial sites in the crystal lattice of Titanium. When the hydrogen content dissolved inside the crystalline lattice is sufficient, it can be combined with the metal to form hydrides. That affects the physico-chemical and mechanical behaviors of the material. This embrittlement could affect the equipment integrity, mostly when subjected to fatigue and/or high temperatures. Several steps of tubes production could be a source of hydrogen absorption, it is necessary to optimize the manufacturing process to reduce H content in the material.

 

Academic:
2018 - 2021: Student Ph.D. in materials science at the University of Bourgogne Franche-Compté, at ICB laboratory, France
2016 – 2018: master’s degree, materials science, University de Lorraine, France

First work experience:
2018 – 2021: Research engineer, Technical and Innovation Department, France

 

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Mathieu Lheureux

Technical Sales Manager
Neotiss SAS
Topic: Titanium Heat Exchanger Tubes : A Competitive Solution for Heat Exchangers in Refineries
Tuesday 14th May
Start Time:  14:00
Meeting Room:  Olympia Manchini 3B

Refineries obtain half of its energy needs thanks to its energy reconversion through heat exchangers. Seawater and brackish water are sometimes used as cooling media for the heat exchangers. Historically Copper alloys such as CuNi90/10 or CuNi70/30 were used in shell and tubes heat exchangers with brackish water or seawater. Since then, titanium tubing prices have significantly decreased and it has become a cost competitive solution versus historical copper alloys solution. Water cooled overhead condenser is a good example of application for which titanium is now a better cost competitive solution. The presentation will review the technical and economical advantages of titanium over copper alloys in overhead condenser used in refineries.

 

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Ervins Blumbergs

Scientific Assistant
Institute of Physics, University of Latvia
Topic: Electroslag process for better titanium deposition morphology
Tuesday 14th May
Start Time: 16:20
Meeting Room: Olympia Manchini 3B


Abstract
The investigation was carried out at the Institute of Physics, University of Latvia. The project title: Electroslag process for better titanium deposition morphology; project no. 1.1.1.1/16/A/085.
The research is concerned with the study of the structure of titanium and titanium-aluminum alloys produced by electroslag remelting of titanium reduced from titanium tetrachloride by magnesium using the Kroll reaction.Presently, metallic titanium and titanium alloys are produced by vacuum-arc remelting of sponge titanium (when it is produced by the Kroll method) or powder titanium (when it is produced by the Hunter method).

The process of production of metallic titanium and its alloys is multistage. We consider its production by the Kroll method.Stage 1. Production of titanium sponge from titanium tetrachloride using magnesium in a limited-volume reactor, where to liquid magnesium and liquid titanium tetrachloride are supplied. The titanium reduction occurs in an inert atmosphere, with periodic pumping of magnesium chloride which is a reaction product.

In the course of the study, slag compositions were selected and mixed, suitable for electroslag remelting of reduced titanium, as well as secondary titanium scrap compositions, which allow to produce high quality titanium and titanium alloys with excellent structure.During this study, the possibility of purification of reduced titanium during electroslag remelting and the possibility of its alloying have been proved. As a carrier of alloying elements, secondary titanium can be used which greatly varies in its chemical composition.A significant problem of the titanium metallurgy is the use of secondary titanium scrap due to the variety of its chemical composition. The study will help in solving this problem.

 

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Ernests Platacis
Head of Physical Hydro mechanic laboratory
Institute of Physics
Topic: A New Concept For Producion Titanium And Titanium Alloys
Tuesday 14th May
Start Time: 16:40
Meeting Room: Olympia Manchini 3B


Abstract
The traditional titanium production method is based on the extraction of titanium sponge in a steel reactor, followed by labour-intensive and complex sponge cooling, removal from the reactor, purification, double re-melting, cutting, sorting, packaging. Shortages of this process are that it is cyclical and titanium sponge material after reaction needs complex post processing to isolate pure titanium.  The proposed titanium manufacturing technology is based on Kroll and electroslag processes. It is based on the reaction between magnesium and titanium tetrachloride in a specially designed retort - reactor (hereinafter - reactor) at high temperatures in a gaseous state or mixed state reaction when one of the reagents (Mg) is in both gaseous and liquid physical state. Reaction products are  metallic titanium and magnesium dichloride. Titanium filters through a layer of molten slag and settle out by gravity at a cooled metallic strike-off plate. The slag layer acts like an smart semi permeable membrane and electroslag process forms a uniform titanium morphology while avoiding  a sponge intermediate product. A 2-3 mm thick crystallized layer of slag (crust) forms on the reactor walls protects these against corrosion and acts as thermal insulation, decreasing heat losses.  The by-product MgCl2 due to the specific gravity difference remains above the slag layer and is periodically evacuated into condenser. This opens up the possibility of pulling a titanium ingot through the bottomless mould and organizing a continuous titanium production process. The method used in the new technology could significantly increase the speed of titanium manufacturing process and reduce production costs.  Slightly changing the reactor structure the described process could allow the production of not only titanium, but also titanium alloys.

 

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Thierry Viguier

Vice President, Materials Purchasing
Safran Materials Purchasing
Topic: Distinguished Guest Speaker
Wednesday 15th May
Start Time: 09:00
Meeting Room:  Olympia Manchini 3A

Mr. Viguier joined Safran in the early eighties, at the Electronic Division of Snecma. He spent 3 years in Binghamton, New York, USA in developing the Full Authority Digital Engine Control
(FADEC) of the A320 CFM56 Engine with the Partner GE (former GE-ACSD). Over the next 10 years in France, Mr. Viguier led the business development of Snecma electronics for Western Europe. Thanks to lessons learned in business development, Mr. Viguier found opportunities in the Procurement division in 2003. He took successive positions in Hispano-Suiza and Snecma, dealing with different commodities, before relocating to Safran headquarters. As a Safran Executive, Mr. Viguier is the Vice President for Safran Materials Purchases since 2015. Mr. Viguier achieved the Safran Executive Program by Duke CE, HEC Paris and AON Hewitt, has certification in Lean six sigma Green Belt (Safran), and is Certified IPMA Niveau C in Project Management (AFITEP).
 

 

 

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Filippo Maria Oreglia

Titanium & Nickel Scrap Manager
CO.FER.M. S.p.A
Topic: RECOVERY AND RECYCLING OF TITANIUM CHIPS CONTAMINATED WITH ALLUMINUM CHIPS AND OTHER METALLIC CONTAMINATIONS
Wednesday 15th May
Start Time: 10:30
Meeting Room: Olympia Manchini 3A


Abstract
The presentation of this paper to the ITA European Congress (Wien 2019), wants to be the description of the process present in CO.FER.M. Spa (Jesi-Italy) to permit, with an industrial process, the decontamination from Alluminum turnings or chips and other metallic or alloys chips present in Titanium turnings generated during the machining in the mills for the productions of aerospace parts.
COFERM’s process consist of two steps: one dedicated to the drying of the turnings with a dedicated device and the second dedicated to the decontamination of the Titanium chips from Al and/or other metals or alloys contaminations in another dedicated device.

At the end of the process the Titanium chips are decontaminated and in “spec.” as requested from our clients. The Titanium chips are ready to be washed and blended for the subsequent qualification and for the ultimate step that consist in vacuum melting via: EBCHM, PACHM or VAR.

The process has been registered in this moment in Italy by a “Patent” with number of protocol 102018000011004, after, it will registered to extend the patent of the process in foreign countries.

Authors:  Mr. Gianluca Galeazzi (Owner of CO.FER.M. and Inventor of the process)  Mr. Michele Trillini (Head of Buy & Sale Department)  Mr. Stefano Petreni (Buy & Sale Deparment)  Mr. Filippo Maria Oreglia (Metallurgist and Processor)  "

Mr. Filippo Oreglia his school has been: “Industrial Chemical expert”.  Has been worked some years in cast iron foundry and steel factory as Responsible of Production in furnace department.

From the year 1987 work in Titanium field, his major activity  and experience is dedicated to the melting of Titanium in Italian companies first experience with VAR furnace, he was for a lot of years : Responsible of Skull-Melting Plant as “Skull-Melting Plant Manager” in ThyssenKrupp-Titanium, plant located in Terni (Italy).  He has also experience in the forging and hot rolling mill of Titanium.

 

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Michael Marucci

VP, Sales & Marketing - Powders
Ametek SMP - Reading Alloys
Topic:  Master Alloys Today for Tomorrow's Applications
Wednesday 15th May
Start Time:  10:45
Meeting Room:  Olympia Manchini 3A

Michael Marucci is the Vice President Sales and Marketing for Powders for Ametek Specialty Metal Products (SMP), a division of Ametek, Inc.  The division, which includes Reading Alloys, Hamilton Precision Metals, Superior Tube, Fine Tubes, SMP Eighty Four and SMP Wallingford, manufactures high purity alloy powders and master alloys, as well as precision metal tubes, strip and foil at six manufacturing facilities in the USA and UK, with sales offices across the globe.  Mr. Marucci is responsible for establishing the strategy, execution and implementation of all sales and marketing activities related to titanium master alloys, titanium powders and water and gas atomised powders. Prior to joining Ametek, he held a number of positions with GKN Hoeganaes, beginning as a Research Engineer in 2001 and culminating in his position as Vice President, Commercial and Strategy, from November 2017 until late 2018.

 

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Cameron Perks

Consultant
TZMI
Topic:  Feedstocks
Wednesday, 15th May
Start Time: 11:00

In this paper, TZMI reviews the recent trends in the titanium feedstock supply chain. The author explores the current global and regional markets for titanium raw materials to the titanium metal supply chain, as well as give perspectives on scenarios for the future supply.

 

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Sylvain Gehler
Managing Director
Specialty Metals Company
Topic: World Titanium Sponge Supply Trends
Wednesday 15th May
Start Time: 11:15
Meeting Room: Olympia Manchini 3A

The presentation will look at the new developments affecting the Ti sponge market, tightening of feedstock supply because of high demand for pigments, increased demand for Ti in Asia and decrease of inventory worldwide. It will be followed by a review of sponge production worldwide , US imports ,Ti sponge production vs existing capacity as well as a review of Ti sponge inventory worldwide.

Mr. Gehler is Managing Director of Specialty Metals Company in Brussels, Belgium and Chairman of the Board of the UST Kamenogorsk Titanium and Magnesium Plant, a leading integrated producer of titanium sponge and magnesium located in Kazakhstan. He is a native of Strasbourg, France and holds a B.A. from Strasbourg University. He began his career in high temperature alloys recycling and held a management position in an international trading company. Specialty Metals Company, a specialist of metals for high temperature alloys, is a majority shareholder of UKTMP and market their products worldwide.

 

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Ali Madani

Founder & Managing Partner
AVICENNE Consulting
Topic: Medical Technology
Wednesday 15th May
Start Time: 10:30
Meeting Room: Olympia Manchini 3B

Ali founded AVICENNE in 1992. He holds a Science degree from Université Paris Sud Orsay and École Normale Supérieure de Cachan, followed by an MBA in Innovation Management from Paris Dauphine. Since 1990 he has been working on strategic and marketing studies in the medical sector.

He has advised major players in this industry (Medtronic, Stryker, Zimmer, Depuy) in terms of strategy, marketing, technical and economical appraisal, as well as mergers & acquisitions. He has also advised several Private equity funds for acquisitions and build-ups. In 2005, he created “Implants”, the annual medical industry conference and exhibition, which he has chaired ever since.


 

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Maciej Krystian

Scientist, Biomedical Systems Center for Health & Bioresources
AIT Austrian Institute of Technology GmbH
Topic: Latest Achievements in Titanium Proceeded by Equal Channel Angular Pressing (ECAP)
Wednesday 15th May
Start Time: 11:00
Meeting Room: Olympia Manchini 3B

Based on Ti-6Al-4V ELl,which is the most widely used Ti alloy for medical implants,the potential of Equal Channel Angular Pressing (ECAP) for improving mechanical properties as well as cytocompatibility is presented and discussed. ECAP - one of the Severe Plastic Deformation (SPD) techniques - achieves a strong microstructural refinement of metallic materials down to the sub-micrometer and even nanometer range, thereby increasing the strength without changing their bulk shape or sacrificing their ductility. Ti-6Al-4 V ELI after ECAP followed by a special thermo­mechanical treatment exhibits a tensile strength higher than 1300 MPa. This value means an increase of strength of at least 30 % as compared to conventionally treated material.

As a consequence, load-bearing implants or parts of them (e.g. necks of hip implants) made of ECAP-processed Ti-6Al-4 V ELI can be de­signed smaller and thus enable maximum patients' mobility and quality of life. Moreover, the ultrafine-grained microstructure in ECAP materials is the origin of low-temperature / high-strain-rate superplasticity ( in ECAP-processed Ti-6Al-4 V elongations without failure up to more than 800% could be realized).

Investigations of the influence of ECAP on cytocompatibility revealed that initial cell attachment as well as cell viability were considerably improved in the case of the ECAP-processed material.

The development and application of new materials and process technologies enables targeted improvement of material properties and the design and production of innovative implants. In this context, the AIS team collaborates closely with leading national and international research institutions and companies. Our research and development activities include both permanent and biodegradable metal-based implants.

Websites:
AIT Austrian Institute of Technology, Video Proceedings Here
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