Effect of Stitching on Plain and Open-hole Strength of CFRP Laminates

查看全文 作　　者：ZHENG [1]Yun;CHENG [2]Xiaoquan;YASIR [2]Baig

机构地区：[1]School of Economics and Management, Beihang University, Beiiing l OO191. China;[2]School of Aeronautical Science and Engineering, Beihang University, Beijing 100191, China

出　　处：《Chinese Journal of Aeronautics》索引2012年第25卷第3期,共12页

基　　金：National Natural Science Foundation of China(10672009);Basic Science Foundation of Aviation(05B51044);'FanZhou' Youth Scientific Funds(20060501) 摘　　要：Experimental and analytical investigation is conducted to explore the effects of stitching on plain (without hole) and open-hole compressive and tensile strength of uniweave T300/QY9512 laminates under different environmental conditions (20°C/dry and wet, 150°C/dry and wet). Strength performance of stitched composite laminates is also studied using finite element analysis (FEA) model and compared with the experimental results to validate the model. It is found that under similar environmental conditions, the open-hole compressive strength of stitched laminate is decreased and open-hole tensile strength increased as compared to the unstitched laminates. Predicted tensile and compressive strengths are found to be in a good agreement with the test results and the relative error in all cases is less than 15%. 关键词：复合材料层压板压缩强度碳纤维复合材料层合板开洞平原拼接拉伸强度

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Effect of Stitching on Plain and Open-hole Strength of CFRP Laminates

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