周谟金,祝明明,向晓龙,隋育栋,蒋业华

• 1:昆明理工大学机电工程学院金属先进凝固成形及装备技术国家地方联合工程实验室

摘要(Abstract)：

基于ANSYS有限元模拟,采用随机分布,建立了不同体积分数(10%、15%、20%、30%)、不同界面过渡区厚度(0、10、20、50和100μm)的ZTA陶瓷颗粒增强高铬铸铁基复合材料模型。结合实验,研究了不同复合材料热处理后的残余应力分布。结果表明:复合材料界面过渡区域的存在能够降低界面残余热应力。随着界面过渡区尺寸的增加,残余热应力呈现先增大后减小的趋势。颗粒体积分数低时,界面过渡区对复合材料残余热应力影响作用大;颗粒体积分数高时,ZTA颗粒对复合残余应力起主要影响作用。

关键词(KeyWords)： 复合材料;有限元模拟;残余热应力;ZTA陶瓷颗粒;界面过渡区

Abstract:

Keywords:

基金项目(Foundation): 昆明理工大学自然科学研究基金资助项目(KKSY201901004)

作者(Author): 周谟金,祝明明,向晓龙,隋育栋,蒋业华

DOI: 10.13289/j.issn.1009-6264.2021-0016

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