Enhanced Grain Refinement Through Deformation Induced α Precipitation in Hot Working of α + β Titanium Alloy |
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| Authors: | Bin Liu Yunping Li Hiroaki Matsumoto Yuichiro Koizumi Yong Liu Akihiko Chiba |
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| Affiliation: | 1. Institute for Materials Research, Tohoku University, Sendai 980‐8577, Japan;2. State Key Lab of Powder Metallurgy, Central South University, Changsha 410083, P. R. China |
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| Abstract: | This study reports a novel forging process to fabricate bulk fine‐grained (grain size ≈ 1 µm) Ti–6Al–4V alloy, in which temperatures near the β transus (Tβ) and strain rates around 0.15 s?1 are used for the deformation. The formation of fine‐grained microstructure is mainly result from the deformation‐induced precipitation of α grains from the β matrix. |
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