ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Texture and Microstructure of Ti-49at%Al after Dynamic Recrystallization and Annealing
Christian HartigHiroshi FukutomiHeinrich MeckingKiichi Aoki
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1993 Volume 33 Issue 2 Pages 313-320

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Abstract

A Ti-49at%Al gamma-base titanium alloy was deformed at high temperature (T=1150-1200°C) and low strain rates as well as at lower temperature (T=1000°C) and higher strain rates. Textures with distinctly different strength occurred depending on the deformation conditions. Subsequent heat treatments were applied in order to investigate the development of textures and microstructures. Textures and microstructures after deformation at 1150°C<T<1200°C are stabilized by α2-Ti3Al-precipitates at the γ-TiAl grain boundaries which occur after the first annealing at 1050°C.

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© The Iron and Steel Institute of Japan
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