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Achieving enhanced tensile ductility in an Al-6061 composite processed by severe plastic deformation

Achieving enhanced tensile ductility in an Al-6061 composite processed by severe plastic deformation
Achieving enhanced tensile ductility in an Al-6061 composite processed by severe plastic deformation
Tests were conducted on a metal matrix composite with an Al-6061 alloy as the matrix material and with 10 vol.% of alumina particulates as the reinforcement. For comparison purposes, some additional tests were also conducted on the unreinforced Al-6061 alloy. Processing of both materials was conducted by imposing severe plastic deformation through equal-channel angular pressing (ECAP). It is shown that ECAP is effective in refining the grain sizes of both materials to ~300 nm. Tensile tests were conducted at room temperature and at elevated temperatures to evaluate the mechanical properties after ECAP. The results show there is a potential for achieving high ductilities in the composite after processing by ECAP.
aluminum 6061 alloy, ductility, equal-channel angular pressing, ultrafine grains
0921-5093
430-434
Han, Bing Q.
4e40aee4-e7be-4058-a3b3-31750ef8b354
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Han, Bing Q.
4e40aee4-e7be-4058-a3b3-31750ef8b354
Langdon, Terence G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86

Han, Bing Q. and Langdon, Terence G. (2005) Achieving enhanced tensile ductility in an Al-6061 composite processed by severe plastic deformation. Materials Science and Engineering: A, 410-411, 430-434. (doi:10.1016/j.msea.2005.08.045).

Record type: Article

Abstract

Tests were conducted on a metal matrix composite with an Al-6061 alloy as the matrix material and with 10 vol.% of alumina particulates as the reinforcement. For comparison purposes, some additional tests were also conducted on the unreinforced Al-6061 alloy. Processing of both materials was conducted by imposing severe plastic deformation through equal-channel angular pressing (ECAP). It is shown that ECAP is effective in refining the grain sizes of both materials to ~300 nm. Tensile tests were conducted at room temperature and at elevated temperatures to evaluate the mechanical properties after ECAP. The results show there is a potential for achieving high ductilities in the composite after processing by ECAP.

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More information

Published date: 2005
Additional Information: The Langdon Symposium: Flow and forming of Crystalline Materials
Keywords: aluminum 6061 alloy, ductility, equal-channel angular pressing, ultrafine grains
Organisations: Engineering Sciences

Identifiers

Local EPrints ID: 23820
URI: http://eprints.soton.ac.uk/id/eprint/23820
ISSN: 0921-5093
PURE UUID: 14a96942-abb8-4da9-bc52-a125880e3448
ORCID for Terence G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

Catalogue record

Date deposited: 21 Mar 2006
Last modified: 16 Mar 2024 03:28

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Contributors

Author: Bing Q. Han

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