CRACK-PROPAGATION IN LAP SHEAR JOINTS
CRACK-PROPAGATION IN LAP SHEAR JOINTS
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DOI：
10.1088/0022-3727/8/5/010
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发表时间：
1975-01-01
影响因子：
3.4
通讯作者：
KENDALL, K
中科院分区：
文献类型：
--
作者：
KENDALL, K
本文提出了一种理论来解释裂纹在常载荷作用下通过长弹性搭接接头的扩展。通过直接观察由光滑、透明的橡胶条压在一起以提供可再现的自粘合的搭接接头的裂纹，已经实现了理论的验证。搭接强度被发现依赖于理论上预测的方式上的粘合表面的粘合能量，剥离试验测得的，并对厚度，宽度和弹性模量的被粘物片材。应用这些结果的实际搭接接头的设计进行了讨论。
A theory has been developed to explain crack propagation through a long elastic lap joint held under constant load. Verification of the theory has been achieved by direct observation of cracks through lap joints made from smooth, transparent rubber strips pressed together to give reproducible autohesion. Lap-joint strength was found to depend in the theoretically predicted manner on the adhesive energy of the bonded surfaces, measured by peeling tests, and on the thickness, width and elastic modulus of the adherend sheets. Application of these results to the design of practical lap joints has been discussed.