张建云,邹晋,周贤良,华小珍

• 1:南昌航空大学材料科学与工程学院

摘要(Abstract)：

采用有限元方法对SiCp/Al复合材料制备冷却后的热残余应力进行了数值模拟,建立平面应力单颗粒及多颗粒复合材料几何模型,研究了颗粒形貌及体积分数对复合材料热残余应力的影响。结果表明,复合材料中颗粒和基体的界面附近存在较大的热残余应力,球形颗粒模型热残余应力比方形颗粒模型热残余应力小,多颗粒模型中应力分布较复杂,复合材料热残余应力随颗粒体积分数增加而增大。

关键词(KeyWords)： 铝基复合材料;SiC颗粒;热残余应力;有限元方法

Abstract:

Keywords:

基金项目(Foundation): 江西省自然科学基金(2007GZC1634);; 航空科学基金(2007ZF56016);; 江西省教育厅科技基金(GJJ08233)

作者(Author): 张建云,邹晋,周贤良,华小珍

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