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Mechanical behavior of a 6061 Al alloy and an Al2O3/6061 Al composite after equal-channel angular processing

Mechanical behavior of a 6061 Al alloy and an Al2O3/6061 Al composite after equal-channel angular processing
Mechanical behavior of a 6061 Al alloy and an Al2O3/6061 Al composite after equal-channel angular processing
The tensile properties and stress-controlled fatigue behavior of an unreinforced 6061 Al alloy and an Al2O3/6061 Al composite were investigated at room temperature after processing by equal-channel angular pressing (ECAP) for eight passes at a temperature of 260 °C. The results show the tensile and fatigue strength of the Al2O3/6061 Al composite are significantly enhanced by ECAP while the elongation to failure is lower than before ECAP. For the unreinforced 6061 Al alloy, both the tensile and fatigue strength decrease after ECAP. The results are explained in terms of the different microstructures present in the two materials prior to ECAP.
equal-channel angular pressing (ecap), al alloy, al-based composite, fatigue life, tensile behavior
0921-5093
472-475
Chen, L.J.
eef3e257-af96-46be-8bf1-51929e7f72f5
Ma, C.Y.
32d3f2f0-b850-4b8b-b9d8-3e4b1f4adf18
Stoica, G.M.
f2beecd3-c5bf-42dc-a21a-23a4e8819a80
Liaw, P.K.
7278b514-7c3a-477d-b1bc-cb6948a35f62
Xu, C.
66441ee5-1017-4177-abb2-7875c09bdc66
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Chen, L.J.
eef3e257-af96-46be-8bf1-51929e7f72f5
Ma, C.Y.
32d3f2f0-b850-4b8b-b9d8-3e4b1f4adf18
Stoica, G.M.
f2beecd3-c5bf-42dc-a21a-23a4e8819a80
Liaw, P.K.
7278b514-7c3a-477d-b1bc-cb6948a35f62
Xu, C.
66441ee5-1017-4177-abb2-7875c09bdc66
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86

Chen, L.J., Ma, C.Y., Stoica, G.M., Liaw, P.K., Xu, C. and Langdon, T.G. (2005) Mechanical behavior of a 6061 Al alloy and an Al2O3/6061 Al composite after equal-channel angular processing. Materials Science and Engineering: A, 410-411, 472-475. (doi:10.1016/j.msea.2005.08.117).

Record type: Article

Abstract

The tensile properties and stress-controlled fatigue behavior of an unreinforced 6061 Al alloy and an Al2O3/6061 Al composite were investigated at room temperature after processing by equal-channel angular pressing (ECAP) for eight passes at a temperature of 260 °C. The results show the tensile and fatigue strength of the Al2O3/6061 Al composite are significantly enhanced by ECAP while the elongation to failure is lower than before ECAP. For the unreinforced 6061 Al alloy, both the tensile and fatigue strength decrease after ECAP. The results are explained in terms of the different microstructures present in the two materials prior to ECAP.

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More information

Published date: 2005
Additional Information: The Langdon Symposium: Flow and forming of Crystalline Materials
Keywords: equal-channel angular pressing (ecap), al alloy, al-based composite, fatigue life, tensile behavior
Organisations: Engineering Sciences

Identifiers

Local EPrints ID: 23813
URI: http://eprints.soton.ac.uk/id/eprint/23813
ISSN: 0921-5093
PURE UUID: 302e8686-2eaa-40eb-96d0-4a63036f4410
ORCID for T.G. Langdon: ORCID iD orcid.org/0000-0003-3541-9250

Catalogue record

Date deposited: 21 Mar 2006
Last modified: 29 Oct 2019 01:53

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Contributors

Author: L.J. Chen
Author: C.Y. Ma
Author: G.M. Stoica
Author: P.K. Liaw
Author: C. Xu
Author: T.G. Langdon ORCID iD

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