邵乐天,尧军平,胡启耀,黄凯鑫,孙众

• 1:南昌航空大学航空制造工程学院

摘要(Abstract)：

建立了TiC/AZ91镁基复合材料的三维有限元模型,通过ABAQUS有限元软件研究了拉伸过程中TiC增强颗粒尺寸对TiC/AZ91镁基复合材料力学性能的影响。结果表明:对于单一尺寸颗粒TiC/AZ91镁基复合材料,TiC颗粒的失效比随着TiC颗粒尺寸的减小而增大,复合材料的屈服强度随着TiC颗粒尺寸的增大而减小;对于混杂尺寸颗粒的TiC/AZ91镁基复合材料,复合材料所受最大应力分布在该材料的小尺寸颗粒处,小尺寸颗粒所占比例越大,颗粒失效比越高。

关键词(KeyWords)： TiC/AZ91复合材料;有限元模拟;失效;力学性能

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51164027,51661024);; 江西省教育厅重点科技项目(GJJ14502)

作者(Author): 邵乐天,尧军平,胡启耀,黄凯鑫,孙众

DOI: 10.13289/j.issn.1009-6264.2019-0128

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