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Texture Evaluation of Titanium Aerospace Alloy Ti 834 Using Hot Axisymmetric Compression Tests

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Abstract:

The effect of hot working strain on texture evolution in the near-α titanium alloy Ti 834 has been investigated using hot axisymmetric compression testing and EBSD. Testing was undertaken sub β transus with 22% α, which upon cooling produced a bimodal microstructure of primary α in a matrix of transformed β. Two distinct deformation induced texture components were identified: i) transverse [(0001)||compression direction] and ii) off-basal [(0001) »^ compression direction]. Orientation image mapping was then used to identify the microstructure associated with each texture component. The transverse texture is associated with the transformed β and the offbasal component is the deformation texture of the primary α.

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Periodical:

Materials Science Forum (Volumes 495-497)

Pages:

693-698

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.495-497.693

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Online since:

September 2005

Authors:

M.J. Thomas, Bradley P. Wynne, W. Mark Rainforth

Keywords:

Axisymmetric Compression, Electron Backscatter Diffraction (EBSD), Thermomechanical Process, Ti 834, Titanium (Ti)

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© 2005 Trans Tech Publications Ltd. All Rights Reserved

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References

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