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Structural and hardness inhomogeneities in Mg-Al-Zn alloys processed by high-pressure torsion

Structural and hardness inhomogeneities in Mg-Al-Zn alloys processed by high-pressure torsion
Structural and hardness inhomogeneities in Mg-Al-Zn alloys processed by high-pressure torsion
Experiments were conducted to evaluate the evolution of structure and hardness in processing by high-pressure torsion (HPT) of the magnesium AZ91 and AZ31 alloys. Both alloys were processed by HPT at room temperature for 1/4, 1, and 5 turns using a rotation speed of 1 rpm. Structure observations and microhardness measurements were undertaken on vertical cross-sectional planes cut through the HPT disks. The results demonstrate that the deformation is heterogeneous across the vertical cross sections but with a gradual evolution toward homogeneity with increasing numbers of revolutions.
0022-2461
4661-4670
Al-Zubaydi, Ahmed
ab0946e5-c193-4f29-82b7-a06423f496f5
Figueiredo, Roberto B.
2e0060b8-6368-4d87-825a-c3cb90e92145
Huang, Yi
9f4df815-51c1-4ee8-ad63-a92bf997103e
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Al-Zubaydi, Ahmed
ab0946e5-c193-4f29-82b7-a06423f496f5
Figueiredo, Roberto B.
2e0060b8-6368-4d87-825a-c3cb90e92145
Huang, Yi
9f4df815-51c1-4ee8-ad63-a92bf997103e
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86

Al-Zubaydi, Ahmed, Figueiredo, Roberto B., Huang, Yi and Langdon, Terence G. (2013) Structural and hardness inhomogeneities in Mg-Al-Zn alloys processed by high-pressure torsion. Journal of Materials Science, 48, 4661-4670. (doi:10.1007/s10853-013-7176-1).

Record type: Article

Abstract

Experiments were conducted to evaluate the evolution of structure and hardness in processing by high-pressure torsion (HPT) of the magnesium AZ91 and AZ31 alloys. Both alloys were processed by HPT at room temperature for 1/4, 1, and 5 turns using a rotation speed of 1 rpm. Structure observations and microhardness measurements were undertaken on vertical cross-sectional planes cut through the HPT disks. The results demonstrate that the deformation is heterogeneous across the vertical cross sections but with a gradual evolution toward homogeneity with increasing numbers of revolutions.

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More information

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

Identifiers

Local EPrints ID: 347334
URI: http://eprints.soton.ac.uk/id/eprint/347334
DOI: doi:10.1007/s10853-013-7176-1
ISSN: 0022-2461
PURE UUID: d495f496-c90d-4b21-91ae-0fdd0cf089a9
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: 04 Feb 2013 14:11
Last modified: 15 Mar 2024 03:39

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Contributors

Author: Ahmed Al-Zubaydi
Author: Roberto B. Figueiredo
Author: Yi Huang ORCID iD
Author: Terence G. Langdon ORCID iD

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