摘要
采用粉末冶金法制备出Ａｌ２Ｏ３／青铜复合材料，研究了烧结温度、Ａｌ２Ｏ３颗粒尺寸、含量及表面状态对复合材料性能的影响。结果表明，采用二次压制与烧结工艺制备的复合材料的组织致密，Ａｌ２Ｏ３颗粒分布均匀，综合性能优于６－６－３青铜材料。Ａｌ２Ｏ３颗粒的化学包覆处理可以使复合材料的性能进一步提高。
In this paper, Al_2O_3/ bronze composite has been prepared via powder metallurgy using conventional technology and equipment. The influence of various sizes and content of Al_2O_3 particles on properties of the composite has been investigated at different sintering temperatures. The technology of chemcial plating has been adopted to pretreat Al_2O_3 particles. The results show that composites fabricated by pressing and sintering two times have fine microstructure, uniformly distributing particles, and better properties than popularly used 6-6-3 bronze bearing material. Chemical plating on Al_2O_3 particles can further improve general properties of the composite.
出处
《复合材料学报》
EI
CAS
CSCD
北大核心
1998年第2期31-35,共5页
Acta Materiae Compositae Sinica
基金
国家教委博士点基金
关键词
金属基
复合材料
青铜
三氧化二铝
颗粒
metal matrix composite, powder metallurgy, chemicalplating, 6-6-3 bronze, Al_2O_3 particles
