材料导报 2019, Vol. 33 Issue (z1): 145-148
无机非金属及其复合材料
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不同铺层角含孔复合材料板拉伸性能数值模拟
张谦
中国航发北京航空材料研究院熔铸中心,北京 100095
Simulation of Tensile Behavior of Composite Laminate Containing a Hole with Different Ply Angles
ZHANG Qian
Casting Center, AECC Beijing Institute of Aeronautical Materials, Beijing 100095
摘要 复合材料的失效行为与复合材料内部应力状态有关。含孔复合材料板由于孔边应力集中,失效经常发生于孔边,因此有必要研究含孔复合材料的拉伸性能。基于ABAQUS商用有限元分析软件建立了含孔碳纤维复合材料层合板有限元模型,数值模拟了含孔复合材料层合板的拉伸力学性能,分析了不同铺层角对孔边应力和应变分布的影响。研究结果表明,正交0°/90°铺层能有效缓解孔边应力集中,提高含孔复合材料的力学性能。
关键词:
铺层角
复合材料层合板
开孔拉伸
失效行为
应力集中
Abstract: The failure behavior of composite laminate is correlation with the inner stress state. The failure is usually occurred near the hole for open-hole tension laminate due to the stress concentration at the hole. Therefore, it is necessary to investigate the tensile behavior of composite laminate containing a hole with different ply angles. The finite element model of carbon fiber reinforced composite laminate was built up using ABAQUS commercial software, and the tensile behavior of composite laminate containing a hole with different ply angles was simulated. The effect of ply angles on the stress and stain distribution of the laminate was analyzed. The simulation results show that the 0°/90° ply can relief the stress concentration near the hole and improve the mechanical properties of composite laminate
Key words:
ply angle
composite laminate
open-hole tension
failure behavior
stress concentration
出版日期: 2019-05-25
发布日期: 2019-07-05
作者简介: 张谦,中国航发北京航空材料研究院熔铸中心工程师,2008年9月至2012年6月,在中国民航大学获得自动化工学学士学位。研究工作主要围绕先进复合材料开展力学性能的基础理论和应用研究。工作期间,获得“航空院优秀青年”称号。491278049@qq.com
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