An evaluation of the creep characteristics of an AZ91 Magnesium Alloy composite using acoustic emission
An evaluation of the creep characteristics of an AZ91 Magnesium Alloy composite using acoustic emission
Creep experiments were undertaken to determine the potential for using acoustic emission (AE) to monitor the high temperature deformation of an unreinforced AZ91 magnesium alloy and a similar alloy reinforced with short alumina fibers after a conventional T6 heat treatment. Samples of each material were tested to failure and the fracture surfaces of selected specimens were examined using scanning electron microscopy. The results show there is an improved creep resistance in the composite by comparison with the unreinforced alloy. It is demonstrated that the use of AE provides a sensitive procedure for monitoring the nature of the creep deformation
1-7
Chmelik, F.
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Lukac, P.M.
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Janecek Moll, F.
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Mordike, B.L.
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Kainer, K-U.
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Langdon, T.G.
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2002
Chmelik, F.
d66e74f3-14d6-4c20-9d80-63d1bd4f6d79
Lukac, P.M.
12a652b8-649f-411a-becc-6991e6b8346d
Janecek Moll, F.
baa73dd4-eb9a-4448-8e99-50dc635ddd26
Mordike, B.L.
3826abc8-837a-43e5-8746-bb4f3ae520c1
Kainer, K-U.
bdc920b4-034b-4286-bbd9-8d11d75f3463
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Chmelik, F., Lukac, P.M., Janecek Moll, F., Mordike, B.L., Kainer, K-U. and Langdon, T.G.
(2002)
An evaluation of the creep characteristics of an AZ91 Magnesium Alloy composite using acoustic emission.
Materials Science and Engineering: A, 338 (1-2), .
(doi:10.1016/S0921-5093(02)00086-2).
Abstract
Creep experiments were undertaken to determine the potential for using acoustic emission (AE) to monitor the high temperature deformation of an unreinforced AZ91 magnesium alloy and a similar alloy reinforced with short alumina fibers after a conventional T6 heat treatment. Samples of each material were tested to failure and the fracture surfaces of selected specimens were examined using scanning electron microscopy. The results show there is an improved creep resistance in the composite by comparison with the unreinforced alloy. It is demonstrated that the use of AE provides a sensitive procedure for monitoring the nature of the creep deformation
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Published date: 2002
Organisations:
Engineering Sciences
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Local EPrints ID: 23485
URI: http://eprints.soton.ac.uk/id/eprint/23485
ISSN: 0921-5093
PURE UUID: 585be7ad-7ea4-4d49-a4e2-5ad8dbd1085e
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Date deposited: 23 Mar 2006
Last modified: 16 Mar 2024 03:27
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Contributors
Author:
F. Chmelik
Author:
P.M. Lukac
Author:
F. Janecek Moll
Author:
B.L. Mordike
Author:
K-U. Kainer
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