增强颗粒形状对Al/SiC复合材料室温下阻尼特性的影响  

THE INFLUENCE OF THE ENHANCED PARTICULATES SHAPEON THE DAMPING PROPERTY OF THE COMPOSITE Al/SiCUNDER ROOM TEMPERATURE

作　　者：徐东辉[1,2] 杨根仓[1,2] 张西正[1,2] 

机构地区：[1]西北工业大学凝固技术国家重点实验室 [2]西安矿业学院

出　　处：《西安矿业学院学报》1998年第2期189-193,共5页Journal of Xi'an University of Science & Technology

基　　金：国家自然科学基金;博士后科研基金;航空院校自选课题资助

摘　　要：利用有限元方法对Ａｌ／ＳｉＣ复合材料的阻尼特性进行了数值模拟，着重研究了增强颗粒的几何形状对Ａｌ／ＳｉＣ复合材料室温阻尼特性的影响，结果显示圆形的增强颗粒的效果最好，同时还发现当增强颗粒的体积分数为４．５％～５．０％时。Finite element method was employed to simulate the damping behavior of the composite Al/Sic.The influence of the enhanced particulate′s shape on the damping property of the composite was investigated.From the results,it was concluded that the circular particulates were the most powerful enhanced particulate.It was also found that the damping property was most improved if the volume fraction was in the range of 45%～50%.

关 键 词：有限元 复合材料 阻尼 增强 颗粒形状 AL/SIC 

分 类 号：TB333[一般工业技术—材料科学与工程]