不同Al_2O_3粒径复合镀层的耐磨性能  

Wear resistance of composite coating for different Al_2O_3 particle sizes

作　　者：张祖军[1] 

机构地区：[1]西南科技大学工程技术中心,四川绵阳621010

出　　处：《金属热处理》2011年第4期75-77,共3页Heat Treatment of Metals

基　　金：西南科技大学青年基金(09zx3110)

摘　　要：用化学镀的方法制备了不同粒径的镍-钨-磷/Al2O3复合镀层,研究了热处理温度对镀层硬度和磨损性能的影响,并将含有50 nm、500 nm、1～3μm Al2O3粒径的复合镀层的性能进行对比。结果表明:含有50 nm Al2O3粒径的复合镀层具有更高的硬度和耐磨性,经400℃处理后的镀层耐磨性最好。Ni-W-P/A12O3 composite coatings with different particle sizes were fabricated by electroless plating.The influence of heat treatment temperature on the hardness and wear resistance of the coatings was investigated.Properties of composite coatings with 50 nm,500 nm,1-3 μm Al2O3particle sizes were compared.The results show that both hardness and wear resistance of 50 nm Al2O3 composite coating were higher than others,and the wear resistance is the best after heat treating at 400 ℃.

关 键 词：复合镀层 纳米AL2O3 显微硬度 耐磨性 

分 类 号：TG174.44[金属学及工艺—金属表面处理]