原梅妮,李超,王振兴

• 1:中北大学机电学院

摘要(Abstract)：

借助图像处理和识别技术,建立复合材料真实微观结构的有限元模型,进而把该微观结构有限元模型嵌入到宏观模型中,并借助子模型分析技术研究SiCp/6061Al复合材料增强颗粒对其微观结构失效的影响。研究结果表明,和圆形颗粒相比,增强颗粒为正四边形时,SiCp/6061Al复合材料基体容易发生失效。颗粒团簇提高SiCp/6061Al复合材料刚度,但降低了SiCp/6061Al复合材料失效应变。当SiCp/6061Al复合材料达到失效状态,随着增强颗粒密度增加,SiCp/6061Al复合材料失效面积增大。

关键词(KeyWords)： 复合材料;有限元模拟;失效

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51201155);; 山西省自然科学基金(2012011019-1,2012011007-1);; 教育部新教师基金(20101420120006)

作者(Author): 原梅妮,李超,王振兴

DOI: 10.13289/j.issn.1009-6264.2014.11.038

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