材料
Online ISSN : 1880-7488
Print ISSN : 0514-5163
ISSN-L : 0514-5163
BCSモデル解析のいくつかの近似
平 修二田中 啓介横幕 俊典
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1975 年 24 巻 263 号 p. 733-740

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Bilby-Cottrell-Swinden model of the plastic deformation near the tip of a notch or crack gives two important parameters, i. e., the plastic zone size and the crack tip opening displacement, for analyzing fatigue and fracture problems. For several cases of specimen geometry which are significant in the field of engineering, analytical solutions of BCS model have not yet been obtained. In this paper, the authors discuss some approximations of BCS model analysis in order to incorporate the effects of the specimen finite width and the notch on the plastic zone size and the tip opening displacement. These approximations will be valuable to the engineering analysis of the problems of fatigue and fracture.

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