Evidence for Coble creep in the relaxation of surface-compressive stresses in tempered polycrystalline aluminium oxide
Evidence for Coble creep in the relaxation of surface-compressive stresses in tempered polycrystalline aluminium oxide
The kinetics of relaxation of surface‐compressive stresses in tempered polycrystalline aluminum oxide were studied. Stress relaxation was observed at temperatures of 775°C and higher. Analysis of the data suggests that the relaxation occurred by Coble creep, which represents the first evidence, although indirect, of the existence of the Coble creep mechanism in ceramics.
3729–3731
Krohn, D.A.
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Urick, P.A.
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Hasselman, D.P.H.
50a5910a-de68-44b8-b184-65f3cda46e6a
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
1 September 1974
Krohn, D.A.
0cc90bb6-0ad9-4e7c-957d-60fb7dabdfdd
Urick, P.A.
ad24c5c4-e42d-48fe-95d5-c8a364722b54
Hasselman, D.P.H.
50a5910a-de68-44b8-b184-65f3cda46e6a
Langdon, T.G.
86e69b4f-e16d-4830-bf8a-5a9c11f0de86
Krohn, D.A., Urick, P.A., Hasselman, D.P.H. and Langdon, T.G.
(1974)
Evidence for Coble creep in the relaxation of surface-compressive stresses in tempered polycrystalline aluminium oxide.
Journal of Applied Physics, 45 (9), .
(doi:10.1063/1.1663851).
Abstract
The kinetics of relaxation of surface‐compressive stresses in tempered polycrystalline aluminum oxide were studied. Stress relaxation was observed at temperatures of 775°C and higher. Analysis of the data suggests that the relaxation occurred by Coble creep, which represents the first evidence, although indirect, of the existence of the Coble creep mechanism in ceramics.
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Published date: 1 September 1974
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Local EPrints ID: 489068
URI: http://eprints.soton.ac.uk/id/eprint/489068
ISSN: 0021-8979
PURE UUID: ac18f186-0d09-4ad5-847a-a8ed3338097e
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Date deposited: 12 Apr 2024 16:32
Last modified: 13 Apr 2024 01:38
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Author:
D.A. Krohn
Author:
P.A. Urick
Author:
D.P.H. Hasselman
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