Strain hardening behavior of a two-phase Cu–Ag alloy processed by high-pressure torsion
Tian, Y.Z., Wu, S.D., Zhang, Z.F., Figueiredo, R.B., Gao, N. and Langdon, T.G. (2011) Strain hardening behavior of a two-phase Cu–Ag alloy processed by high-pressure torsion. Scripta Materialia, 65, (6), 477-480. (doi:10.1016/j.scriptamat.2011.06.004).
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Disks of a coarse-grained Cu–28 wt.% Ag alloy and pure Cu were processed by high-pressure torsion and the microhardness wasinvestigated as a function of the imposed strain. It is shown that the Cu–Ag alloy displays a much stronger strain hardening capability than Cu due to a continuous refinement of the microstructure. A two-stage Hall–Petch relationship was obtained for the Cu–Ag alloy which is attributed to the development of multi-strengthening mechanisms.
|Keywords:||cu–ag alloy, cu, high-pressure torsion (hpt), hardness, microstructure|
|Subjects:||Q Science > QC Physics
T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TP Chemical technology
|Divisions:||University Structure - Pre August 2011 > School of Engineering Sciences > Engineering Materials & Surface Engineering
|Date Deposited:||28 Jul 2011 14:24|
|Last Modified:||28 Jul 2011 14:25|
|Contributors:||Tian, Y.Z. (Author)
Wu, S.D. (Author)
Zhang, Z.F. (Author)
Figueiredo, R.B. (Author)
Gao, N. (Author)
Langdon, T.G. (Author)
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