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用激光散斑法和云纹法测量含裂纹薄板的裂纹张开位移
Authors
薛以年
韩金虎
Publication date
1 January 1981
Publisher
Abstract
平面应力的弹塑性断裂理论的研究一直受到广泛重视,正在深入发展,其中很多工作是通过研究裂纹张开位移和裂纹附近的应变场进行的。用光学方法对裂纹张开位移和裂纹周围的变形进行测量具有显著的优越性,不但测量精度高,而且能够把整个裂纹包括裂纹顶端的张开位移都同时测量出来,并得到裂纹周围的位移全场分布。近年来激光散斑法在实验应力分析中发展很快,已被用来测量裂纹张开位移和裂纹周围的应变场,
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 12/02/2018