DYNAMIC FRACTURE-ANALYSIS BY MOIRE INTERFEROMETRY

被引:15
作者
ARAKAWA, K [1 ]
DRINNON, RH [1 ]
KOSAI, M [1 ]
KOBAYASHI, AS [1 ]
机构
[1] BOEING COMMERCIAL AIRPLANE CO,DEPT MECH ENGN,FU-10,SEATTLE,WA 98124
关键词
D O I
10.1007/BF02325986
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Dynamic moire interferometry was used to measure separately the u- and v-displacement fields surrounding a rapidly propagating crack tip in Homalite-100 and 7075-T6 aluminum-alloy plates. These transient crack-tip-displacement data were then used to compute the dynamic stress-intensity factor and the remote stress component. J-integral values were also estimated using the static approximate procedure of Kang et al. This static analysis provided the correct J when the contour integral was taken within 3 mm of the crack tip.
引用
收藏
页码:306 / 309
页数:4
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