Deformation fields of interfacial cracks in adhesively bonded DCBS

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作者：
State Univ of New York at Stony, Brook, Stony Brook, United States [1 ]
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来源：
Eng Fract Mech | / 2卷 / 181-189期
关键词：
Adhesive joints - Adhesives - Beams and girders - Defects - Deformation - Effects - Fracture - Interferometry - Stress analysis - Stress concentration - Stress intensity factors;
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摘要：
Deformation fields of interfacial cracks in adhesively jointed double-cantilever beams (DCBs) are investigated by moire interferometry. The deformation field in a macro-scale is found to be characterizable by remote stress intensity factors and the disturbance of the singular stress field, due to the presence of the adhesive layer, is localized. The moire fringes also provide a means for the determination of remote stress intensity factors. The effect of the adhesive layer on the loading parameters for adhesively jointed DCBs is studied.
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