Achieving Exceptional Grain Refinement through Severe Plastic Deformation: New Approaches for Improving the Processing Technology |
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| Authors: | Ruslan Z Valiev Terence G Langdon |
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| Affiliation: | (1) Institute of Physics of Advanced Materials, Ufa Sate Aviation Technical University, 450000 Ufa, Russia;(2) Departments of Aerospace & Mechanical Engineering and Materials Science, University of Southern California, Los Angeles, CA 90089-1453, USA;(3) Materials Research Group, School of Engineering Sciences, University of Southampton, Southampton, SO17 1BJ, United Kingdom |
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| Abstract: | The processes of equal-channel angular pressing (ECAP) and high-pressure torsion (HPT) are now established for the fabrication
of ultrafine-grained metals having superior properties by comparison with their coarse-grained counterparts. This article
examines the recent developments designed to improve the processing technology of ECAP and HPT and to establish these techniques
as viable procedures for use in industrial applications. Based on these developments, it is reasonable to anticipate these
processing procedures will experience increasing use in the fabrication of commercial products. |
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