过共晶铝硅合金耐磨性能的研究进展  

Development of Wear Resistance of Hypereutectic Al-Si alloy

作　　者：杨颖[1,2] 王宇鑫[1,2] 张瑜[1,2] 王华钰[1,2] 严彪[1,2] 

机构地区：[1]同济大学材料科学与工程学院,上海200092 [2]上海市金属功能材料开发应用重点实验室,上海200092

出　　处：《金属功能材料》2011年第4期72-76,共5页Metallic Functional Materials

基　　金：国家973项目子课题(NO.2007CB613900);上海市科学技术发展基金(08DZ2201300);上海市纳米专项(0752nm004)资助项目

摘　　要：过共晶铝硅合金是一种软基体上分布着硬质点的理想轻质耐磨结构材料。研究表明影响其耐磨性能的主要因素包括微观结构和工况条件,其中硅相的含量、形态、分布有非常大的影响。本文总结了过共晶铝硅合金的磨损机理和提高耐磨性能的工艺方法,并对其以后的研究和发展方向进行了展望。Hypereutectic Al-Si alloy is an ideal light structural material.It has good wearing resistance for a good distribution of hard particles on its soft matrix.Research indicates that the main factors affecting the abrasion resistance include microstructure and working conditions,especially the content,morphology and distribution of silicon phase.The wear mechanism and approach to improve wear resistance of the hypereutectic Al-Si alloy were summarized in this paper,its future research and development directions are suggested as well.

关 键 词：过共晶铝硅合金 耐磨性能 微观结构 

分 类 号：TG146.21[一般工业技术—材料科学与工程]