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Metallography of Titanium Workshop
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When: February 6, 2018
Where: Grand Hyatt Singapore

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METALLOGRAPHY, a complex process with many variables that involve compromises between time, resources, and the end product or purpose of the investigation.   The proper interpretation of microstructures of any alloy system requires some understanding of the phase relationships and constitution of the system being studied.

Metallography, an important division of physical metallurgy, concerns itself with the internal structure and constitution of metals.  Titanium and its alloys are more difficult to prepare for metallographic examination than steels.  For example, a research lab may benefit from the more time-consuming method of vibratory polishing, while a production quality-control lab may not require specimen preparation with a vibratory polisher.  A lab for teaching also may benefit from the training experience of manual polishing, or polishing may be done with semiautomatic polishing machines.  With a little forethought and planning, excellent metallographic samples can be produced in a short time for light microscopy of titanium and its alloys.

This full day presentation will include a discussion of the microstructures of currently important commercial titanium alloys, along with an explanation of terminology commonly used for describing titanium microstructures.  Discussion of alloy systems and metallographic procedures will also be included.  

This practical, full day of information would be appropriate for anyone interested in understanding the microstructures of titanium alloys.

Specific topics will include:

  • Brief history of titanium and alloy development 
  • Overview of the general properties of the alloy groups and their applications
  • Basic metallurgy of titanium including the terminology used to describe microstructures
  • Microstructures of the most common alloys with variations caused by manufacturing methods and heat treatments
  • Defects specific to titanium introduced in primary & secondary manufacturing and heat treatment
  • Proper metallographic sample reparation techniques to reveal the true microstructure including a discussion of the  effects of various etchants.

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