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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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SiCP/Al复合材料的拉伸性能
, PP. 83-88
Keywords: 金属基复合材料,SiCP,拉伸,有限元,体积分数
Abstract:
对高体积分数碳化硅颗粒增强铝基(SiCP/Al)复合材料的拉伸强度进行了试验研究。发现在较高应力水平下经过2次卸载的试件与未做卸载的试件相比，拉伸强度变化很小，说明加载-卸载过程对材料的拉伸强度影响不大。在试验研究的基础上，使用ANSYS软件建立了有限元模型，对SiCP/Al复合材料的拉伸特性进行了仿真模拟。研究结果表明，低体积分数SiCP/Al复合材料的力学性能更接近塑性材料；而高体积分数SiCP/Al复合材料的力学性能则接近于脆性材料。拉伸强度模拟计算误差非常小，基体破坏是导致高体积分数SiCP/Al复合材料破坏的主要因素。
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