期刊
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
卷 528, 期 13-14, 页码 4331-4336出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2011.01.057
关键词
Cu-Ag alloy; Equal-channel angular pressing (ECAP); Dynamic plastic deformation (DPD); High-pressure torsion (HPT); Microstructure; Strength
类别
资金
- National Natural Science Foundation of China (NSFC) [50625103, 50890173, 50931005]
- National Basic Research Program of China [2010CB631006]
- Royal Society of the U.K. [JP871294]
A Cu-8 wt.% Ag alloy was processed by equal-channel angular pressing (ECAP), dynamic plastic deformation (DPD)and high-pressure torsion (HPT) at room temperature, and the microstructures and mechanical properties were investigated. It is shown that the microstructures of the Cu-Ag alloy can be refined to different levels by these severe plastic deformation (SPD) modes with the smallest grains produced by HPT. The results provide a clear demonstration that the yield strength and microhardness are inter-related over a wide range of values. (C) 2011 Elsevier B.V. All rights reserved.
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