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材料工程  2014, Vol. 0 Issue (1): 64-69    DOI: 10.3969/j.issn.1001-4381.2014.01.012
  测试与表征 本期目录 | 过刊浏览 | 高级检索 |
孔口缝合补强复合材料层合板渐进损伤分析
沈创石1, 韩小平1, 郭章新1, 王彬2
1. 西北工业大学 力学与土木建筑学院, 西安 710072;
2. 中航工业第一飞机设计研究院, 西安 710089
Progressive Failure Simulation of Composite Laminates Stitched Around a Circular Hole
SHEN Chuang-shi1, HAN Xiao-ping1, GUO Zhang-xin1, WANG Bin2
1. School of Mechanics and Civil & Architecture, Northwestern Polytechnical University, Xi'an 710072, China;
2. AVIC The First Aircraft Institute, Xi'an 710089, China
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摘要 针对孔口缝合补强复合材料层合板,通过有限元软件建立了含孔口缝合补强复合材料的渐进损伤模型。利用该模型预测了不同缝合参数情况下的破坏载荷,数值结果和实验吻合较好,证明了模型的有效性。在拉伸载荷情况下,模拟不同缝合参数下不同铺层的孔边损伤情况,发现不同缝合参数对层合板纤维损伤的影响与铺层角度密切相关。结果显示缝合补强后,层合板的损伤过程有明显的推迟,特别是双缝合情形下推迟的程度尤为显著。
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关键词 含孔口层合板缝合补强渐进损伤损伤推迟效应    
Abstract:A new damage model was developed to simulate progressive damage behavior of the stitching reinforced composite laminates stitched around a circular hole. The damage at the edge of the hole was investigated for different stitching parameters, different layer design and axial tensile. The failure load for different stitching parameters was estimated by using the model and the calculated values show good agreement with the measured values. It is shown that the effects of the damage extend are extremely evident with the layer design for different stitching parameters. There exists an obvious postponement effect in the damage of the composite laminates after stitching reinforcement, especially the case of the double stitching reinforcement is more notable.
Key wordscomposite laminate with a circular hole    stitching reinforcement    progressive damage    damage postponement effect
收稿日期: 2012-07-10      出版日期: 2014-01-20
中图分类号:  TB332  
作者简介: 沈创石(1987- ),男,硕士研究生,研究方向:先进复合材料及其结构的力学分析,联系地址:陕西省西安市西北工业大学长安校区力学与土木建筑学院(710129),E-mail:chshshen@sina.com
引用本文:   
沈创石, 韩小平, 郭章新, 王彬. 孔口缝合补强复合材料层合板渐进损伤分析[J]. 材料工程, 2014, 0(1): 64-69.
SHEN Chuang-shi, HAN Xiao-ping, GUO Zhang-xin, WANG Bin. Progressive Failure Simulation of Composite Laminates Stitched Around a Circular Hole. Journal of Materials Engineering, 2014, 0(1): 64-69.
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http://jme.biam.ac.cn/CN/10.3969/j.issn.1001-4381.2014.01.012      或      http://jme.biam.ac.cn/CN/Y2014/V0/I1/64
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