机械科学与技术2018，Vol.37Issue(1)：138-147,10.DOI:10.13433/j.cnki.1003-8728.2018.0121
垂直度误差影响复合材料层合板层间应力分析
Effect of Hole Perpendicularity Error on Inter-laminar Stress of CFRP
摘要
Abstract
The effects of the hole-perpendicularity error on the inter-laminar stress and the mechanical performance of the joint are investigated.It is found that the stress distribution around the hole is heavily affected by the mentioned error.The bolt's posture may adjust when it is fastened in a bolt hole with perpendicularity error,during which the bolt shank bearing the hole wall plays an important role.Moreover,the inter-laminar shear stress increases with the increasing of hole perpendicularity error,which is the main reason for inducing delamination failure.Finally,to increase the fastening torque can help to reduce the negative effects caused by hole perpendicularity error,which was proved by the experimental results.关键词
复合材料/螺栓连接/分层/垂直度误差/层间应力Key words
composite material/bolted joint/delamination/perpendicularity error/inter-laminar stress分类
通用工业技术引用本文复制引用
刘学术,杨宇星,鲍永杰,高航,李汝鹏..垂直度误差影响复合材料层合板层间应力分析[J].机械科学与技术,2018,37(1):138-147,10.基金项目
国家重点基础研究发展计划项目(2014CB046504)与国家自然科学基金项目(51375068,51475073)资助 （2014CB046504）
