Measurement of Nonsymmetric Creep in Al2O3with a Glass Phase
作者:
Theo Fett,
期刊:
Journal of the American Ceramic Society
(WILEY Available online 1992)
卷期:
Volume 75,
issue 6
页码: 1691-1693
ISSN:0002-7820
年代: 1992
DOI:10.1111/j.1151-2916.1992.tb04249.x
出版商: Blackwell Publishing Ltd
关键词: creep;testing;alumina;glass;phases
数据来源: WILEY
摘要:
To check the development of nonsymmetry in bending creep tests an Al2O3ceramic containing a glass phase is investigated in interrupted creep tests. The symmetric part of the strain is measured by the deflection and the nonsymmetric part is obtained by length measurements between two Knoop indentations situated at the centerline of bending bars. It is observed that nonsymmetry in creep occurs not only in the secondary creep range but also in the primary range.
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