Crack Propagation Behavior in Alumina Ceramic under Static and Cyclic Loading
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概要
- 論文の詳細を見る
Region 3 crack propagation under static loading is independent of the environment. This mechanical crack propagation curve can be expressed by the four-parameter Weibull function. On the other hand, Region 1 crack propagation is very sensitive to the humidity in the environment. This effect can be well explained by introducing the environmental fracture toughness, K_<ie>, into the Weibull function. From the numerical integration of the equations of these static crack growth curves, the cyclic fatigue cracking behavior can be predicted. The data for a lower range of the stress intensity factor, ΔK, show the acceleration of cracking by cyclic loading. The rough specimen surface and the partially fractured grain boundary near crack path, appearing only in cyclic fatigue fracture, may explain this acceleration.
- 一般社団法人日本機械学会の論文
- 1993-10-15
著者
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Yoshida Hajime
Department Of Physics Tokyo Metropolitan University
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NAGASE Yasuo
Department of Agricultural Chemistry, Faculty of Agriculture, Yamaguchi University
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Nagase Yasuo
Department Of Mechanical Engineering Shizuoka University
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Fujiwara T
Hitachi Ltd. Ome‐shi Jpn
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Sawaki Yozo
Department of Mechanical Engineering, Shizuoka University
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Inoue Akio
Central Res. Lab., Mitsubishi Electric Co.
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Fujiwara Tsuyoshi
Tonen Co., Ltd.
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Yoshida Hajime
Department Of Physics Faculty Of Science The University Of Tokyo:(present Address) Laboratoire De L&
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Yoshida H
Department Of Mechanical Engineering Shizuoka University
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Sawaki Yozo
Department Of Mechanical Engineering Shizuoka University
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Sawaki Yozo
Department Of Mechanical Engineering Faculty Of Engineering Shizuoka University
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Inoue A
Mitsubishi Electric Corp. Hyogo Jpn
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Inoue Akio
Central Laboratory Asahi Chemical Industry Co. Ltd.
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Yoshida Hajime
Department Of Nuclear Engineering Hokkaido University
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Yoshida Hajime
Department Of Applied Chemistry Faculty Of Engineering Saitama Institute Of Technology
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