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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).

Record type: Article


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.

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Published date: September 2011
Keywords: cu–ag alloy, cu, high-pressure torsion (hpt), hardness, microstructure
Organisations: Engineering Mats & Surface Engineerg Gp


Local EPrints ID: 194479
ISSN: 1359-6462
PURE UUID: 911cf36a-90cc-4e5f-8040-8476d9856c04
ORCID for T.G. Langdon: ORCID iD

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Date deposited: 28 Jul 2011 14:24
Last modified: 18 Jul 2017 11:27

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Author: Y.Z. Tian
Author: S.D. Wu
Author: Z.F. Zhang
Author: R.B. Figueiredo
Author: N. Gao
Author: T.G. Langdon ORCID iD

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