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Dry sliding wear of an AZ31 magnesium alloy processed by equal-channel angular pressing

Dry sliding wear of an AZ31 magnesium alloy processed by equal-channel angular pressing
Dry sliding wear of an AZ31 magnesium alloy processed by equal-channel angular pressing
A magnesium AZ31 alloy was processed by equal-channel angular pressing (ECAP) for up to 8 passes to reduce the grain size to ~1.0 ?m. Following ECAP, microhardness measurements were taken to evaluate the mechanical properties of the material. Ball-on-disc dry sliding tests were conducted to compare the wear behaviour of the as-received alloy and the alloy processed by ECAP. The surface topography and volume loss were recorded for all samples. The results show that the fluctuations and average values of the coefficient of friction are improved after processing by ECAP. In addition, there is a decrease in the wear depth and volume loss with increasing numbers of ECAP passes. The ECAP-processed alloy has a higher wear resistance than the unprocessed alloy and it is a suitable candidate material for use in industrial applications
0022-2461
4117-4127
Xu, Jie
593871b5-a17a-4e0f-ae0e-7e48b1aadd99
Wang, Xinwei
581ee74f-f1e2-4fc3-9868-e1a4e28f98d1
Zhu, Xiaocheng
fbce4cb2-a109-48b3-99da-64d55dbbf616
Shirooyeh, Mahmood
777d37e5-09d0-4c80-8e9d-28e8d24006d1
Wongsa-Ngam, Jittaporn
e404b616-e3cd-4345-bc9e-2568d9c4d5b6
Shan, Debin
fd8652eb-1eeb-4ae2-bcc4-102320f3c2d7
Guo, Bin
6454155d-fa5f-480b-8747-88d06498a923
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Xu, Jie
593871b5-a17a-4e0f-ae0e-7e48b1aadd99
Wang, Xinwei
581ee74f-f1e2-4fc3-9868-e1a4e28f98d1
Zhu, Xiaocheng
fbce4cb2-a109-48b3-99da-64d55dbbf616
Shirooyeh, Mahmood
777d37e5-09d0-4c80-8e9d-28e8d24006d1
Wongsa-Ngam, Jittaporn
e404b616-e3cd-4345-bc9e-2568d9c4d5b6
Shan, Debin
fd8652eb-1eeb-4ae2-bcc4-102320f3c2d7
Guo, Bin
6454155d-fa5f-480b-8747-88d06498a923
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86

Xu, Jie, Wang, Xinwei, Zhu, Xiaocheng, Shirooyeh, Mahmood, Wongsa-Ngam, Jittaporn, Shan, Debin, Guo, Bin and Langdon, Terence G. (2013) Dry sliding wear of an AZ31 magnesium alloy processed by equal-channel angular pressing. Journal of Materials Science, 48 (11), 4117-4127. (doi:10.1007/s10853-013-7224-x).

Record type: Article

Abstract

A magnesium AZ31 alloy was processed by equal-channel angular pressing (ECAP) for up to 8 passes to reduce the grain size to ~1.0 ?m. Following ECAP, microhardness measurements were taken to evaluate the mechanical properties of the material. Ball-on-disc dry sliding tests were conducted to compare the wear behaviour of the as-received alloy and the alloy processed by ECAP. The surface topography and volume loss were recorded for all samples. The results show that the fluctuations and average values of the coefficient of friction are improved after processing by ECAP. In addition, there is a decrease in the wear depth and volume loss with increasing numbers of ECAP passes. The ECAP-processed alloy has a higher wear resistance than the unprocessed alloy and it is a suitable candidate material for use in industrial applications

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More information

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

Identifiers

Local EPrints ID: 351977
URI: http://eprints.soton.ac.uk/id/eprint/351977
ISSN: 0022-2461
PURE UUID: 3391c708-f3c2-4226-9523-f0d32ef8f871
ORCID for Terence G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

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Date deposited: 29 Apr 2013 12:47
Last modified: 15 Mar 2024 03:13

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Contributors

Author: Jie Xu
Author: Xinwei Wang
Author: Xiaocheng Zhu
Author: Mahmood Shirooyeh
Author: Jittaporn Wongsa-Ngam
Author: Debin Shan
Author: Bin Guo

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