EXTREMELY SENSITIVE DEPENDENCE OF STRENGTH AFTER PROOF TESTING OF CERAMICS ON INITIAL STRENGTH
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概要
- 論文の詳細を見る
It is shown that in proof testing of ceramic components, a phenomenon that strength after proof testing, S_f, depends quite sensitively on initial strength, S_i appears under certain conditions. For example, a slight difference of S_i only by 0.005MPa results in a large difference of S_f by some 400MPa. The reason and conditions for this phenomenon to appear are investigated theoretically. It is shown that this phenomenon appears when the unloading stress rate is considerably low and the crack growth exponent n is large as in ceramics. A practical aspect of the phenomenon is also discussed.
- 社団法人日本材料学会の論文
- 1995-03-15
著者
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Ichikawa Masahiro
Department of Mechanical and Control Engineering, The University of Electro-Communications
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Ichikawa M
Univ. Electro-communications Tokyo Jpn
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Ichikawa Masahiro
Department Of Mechanical And Control Engineering The University Of Electro-communications
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