UM
Static and fatigue analysis of double-bolted-joints for Gr/epoxy after thermal cyclic loading
Yip M.-C.; Li R.-Y.; Yang C.-H.
2004
AbstractThe strength and fatigue life of [0/45/90/-45] Gr/Epoxy double bolted joints subjected to thermal-cycle loading has been investigated experimentally in this study. The fatigue tests were performed by the Instron-1322 servohydraulic testing system; four kinds of stress levels under tension-tension loading with frequency of 5 Hz were tested. It is found that the static strength after thermal-cycles has a little increase, but the fatigue life has different results in high and low stress levels. Two bolts and nuts disposed for different ways created three cases. The stress distribution of these three kinds of two-bolted joints of graphite-epoxy laminates were determined experimentally by using the method of photo elasticity, the differing extent of defects caused by the three different cases have been determined, the stress around the hole edge and across the net-section are presented. One of the three cases had the ability to transfer load uniformly, which caused small influence on the gross section of bolt configuration, thus the static and fatigue strengths are better than other two cases. Thermal cyclic loading are performed at _50°C~50°C with 145 min/cycle, after 150 thermal cycles, the static and fatigue strength of the fastened components were tested to compared with the original specimens.
ISBN9781855738317;
URLView the original
Pages609-614
Language英語
全文获取链接
Document TypeBook
专题University of Macau
AffiliationNational Tsing Hua University
推荐引用方式
GB/T 7714
Yip M.-C.,Li R.-Y.,Yang C.-H.. Static and fatigue analysis of double-bolted-joints for Gr/epoxy after thermal cyclic loading[M],2004.
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