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), pp. 477-480. (doi:10.1016/j.scriptamat.2011.06.004).

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Description/Abstract

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.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1016/j.scriptamat.2011.06.004
ISSNs: 1359-6462 (print)
Keywords: cu–ag alloy, cu, high-pressure torsion (hpt), hardness, microstructure
Subjects:

Organisations: Engineering Mats & Surface Engineerg Gp
ePrint ID: 194479
Date :
Date Event
September 2011Published
Date Deposited: 28 Jul 2011 14:24
Last Modified: 18 Apr 2017 01:42
Further Information:Google Scholar
URI: http://eprints.soton.ac.uk/id/eprint/194479

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