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Production of submicrocrystalline structure in large-scale Ti–6Al–4V billet by warm severe deformation processing |
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| Authors: | S.V. Zherebtsov G.A. Salishchev R.M. Galeyev O.R. Valiakhmetov S.Yu. Mironov S.L. Semiatin |
| Affiliation: | aLaboratory of Material Science, Institute for Metals Superplasticity Problems, Russian Academy of Sciences, Khalturin str. 39, Ufa 450001, Russia bAFRL/MLLM, Wright-Patterson Air Force Base, OH 45433-7817, USA |
| Abstract: | The “abc” deformation method for production of large-scale billets with submicrocrystalline structure was developed. A large billet of Ti–6Al–4V alloy (150-mm diameter × 200-mm length) with a homogeneous submicrocrystalline structure was produced. The refined structure with a grain/subgrain size of about 0.4 μm leads to a substantial mechanical properties improvement. |
| Keywords: | Submicrocrystalline structure Titanium alloy Severe plastic deformation |
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