5A12铝合金等离子渗氮后的耐磨性  

Wear resistance of plasma nitrided 5A12 aluminum alloy

作　　者：吴哲羽 台立民[1] 

机构地区：[1]辽宁工程技术大学材料科学与工程学院,辽宁阜新123000

出　　处：《金属热处理》2015年第9期68-70,共3页Heat Treatment of Metals

基　　金：辽宁工程技术大学研究生科研立项项目(5A2014012)

摘　　要：采用双层辉光离子渗氮技术对5A12铝合金表面进行渗氮,并对渗氮层的耐磨性进行了研究。结果表明,等离子渗氮后,5A12铝合金渗氮层厚度为32μm,表面显微硬度为425 HV0.2,比基体提高了1.39倍,摩擦因数由0.65降到0.4左右,耐磨性大幅度提高。Double glow plasma nitriding technique was used to nitride the surface of 5A12 aluminum alloy and the wear resistance of the nitrided layer was studied. The results show that after plasma nitriding,the nitrided layer thickness of 5A12 aluminum alloy is 32 μm,the surface microhardness is 425 HV0. 2 which is 1. 39 times higher than that of the substrate,the friction coefficient of the surface is reduced from 0. 65 to 0. 4,the wear resistance increases significantly.

关 键 词：5A12铝合金 等离子渗氮 耐磨性 

分 类 号：TG156.82[金属学及工艺—热处理]