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Microstructural evolution in two-phase alloys processed by high-pressure torsion

Microstructural evolution in two-phase alloys processed by high-pressure torsion
Microstructural evolution in two-phase alloys processed by high-pressure torsion
The Zn-22 % Al eutectoid alloy and the Pb-62 % Sn eutectic alloy were processed by high-pressure torsion (HPT) over a range of experimental conditions. Both alloys exhibit similar characteristics with significant grain refinement after processing by HPT but with a reduction in the hardness values by comparison with the initial unprocessed conditions. It is shown that there are generally smaller grains at the edges of the disks by comparison with the disk centers. The hardness results in these two alloys are mutually consistent, but they are different from those generally reported for conventional single-phase materials. The significance of this difference is examined.
0022-2461
4582-4591
Zhang, Nian Xian
1f72e293-27fe-41d4-956c-7e8c8a40b3b0
Kawasaki, Megumi
944ba471-eb78-46db-bfb7-3f0296d9ef6d
Huang, Yi
9f4df815-51c1-4ee8-ad63-a92bf997103e
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Zhang, Nian Xian
1f72e293-27fe-41d4-956c-7e8c8a40b3b0
Kawasaki, Megumi
944ba471-eb78-46db-bfb7-3f0296d9ef6d
Huang, Yi
9f4df815-51c1-4ee8-ad63-a92bf997103e
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86

Zhang, Nian Xian, Kawasaki, Megumi, Huang, Yi and Langdon, Terence G. (2013) Microstructural evolution in two-phase alloys processed by high-pressure torsion. Journal of Materials Science, 48, 4582-4591. (doi:10.1007/s10853-012-7087-6).

Record type: Article

Abstract

The Zn-22 % Al eutectoid alloy and the Pb-62 % Sn eutectic alloy were processed by high-pressure torsion (HPT) over a range of experimental conditions. Both alloys exhibit similar characteristics with significant grain refinement after processing by HPT but with a reduction in the hardness values by comparison with the initial unprocessed conditions. It is shown that there are generally smaller grains at the edges of the disks by comparison with the disk centers. The hardness results in these two alloys are mutually consistent, but they are different from those generally reported for conventional single-phase materials. The significance of this difference is examined.

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More information

Published date: December 2013
Organisations: Engineering Mats & Surface Engineerg Gp

Identifiers

Local EPrints ID: 345828
URI: http://eprints.soton.ac.uk/id/eprint/345828
DOI: doi:10.1007/s10853-012-7087-6
ISSN: 0022-2461
PURE UUID: 3e5c1a5e-e6f5-42dd-aca5-f158e75aaa20
ORCID for Yi Huang: ORCID iD orcid.org/0000-0001-9259-8123
ORCID for Terence G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

Catalogue record

Date deposited: 14 Jan 2013 09:56
Last modified: 15 Mar 2024 03:39

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Contributors

Author: Nian Xian Zhang
Author: Megumi Kawasaki
Author: Yi Huang ORCID iD
Author: Terence G. Langdon ORCID iD

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