摘要:采用高温摩擦磨损试验机研究从室温(25℃)至700℃下Fe-Al/TiC激光熔覆层与Si3N4球配副时的摩擦磨损特性,探讨了涂层的高温摩擦磨损机理,并在700℃进行了氧化试验。结果表明:随着试验温度的升高,Fe-Al/TiC熔覆层磨损面形成了具有固体润滑作用的氧化物保护层,使摩擦因数降低,磨损率始终保持在较低水平,700℃下磨损率是35CrMo钢的1/6;熔覆层具有优良的抗高温氧化性能,700℃下氧化150 h后质量增加为1.5 mg.cm-2,比35CrMo钢的抗氧化性能提高40多倍;熔覆层高温磨损的主要机理为剥层磨损。
注:因版权方要求,不能公开全文,如需全文,请咨询杂志社
热门期刊服务
Transactions of Nonferrous Metals Society of China Journal of Bionic Engineering Journal of Earth Science Journal of Rare Earths Chinese Journal of Chemical Engineering Chinese Journal of Mechanical Engineering Frontiers of Information Technology Electronic Engineering Journal of Genetics and Genomics Chinese Annals of Mathematics Series B Journal of Systems Engineering and Electronics Journal of Iron and Steel Research Journal of Integrative Plant Biology