等离子束表面冶金Al2Cu和-αAl复合涂层研究Study on Al2Cu/α-Al ceramal composite coating prepared by plasma jet surface metallurgy
刘均波,王立梅,李惠琪,于洪爱
摘要(Abstract)：
采用等离子束表面冶金技术,以纯铝为基材,纯铜粉末为冶金原料,在铝表面制得了冶金结合良好的Al2Cu和α-Al复合涂层。涂层组织具有快速凝固组织特征,涂层底部为逆热流方向长大的粗大枝晶,上部为细小枝晶和大胞晶均匀分布。涂层最高硬度为260HV,较铝基材的硬度(74.5HV)有显著提高,在油润滑滚动磨损试验条件下纯铝的磨损量是涂层的6~10倍,说明涂层具有优异的耐磨性和载荷特性。
关键词(KeyWords)： 等离子束;表面冶金;复合涂层;耐磨性
基金项目(Foundation): 河南杰出人才创新基金资助项目(0421001000)
作者(Author): 刘均波,王立梅,李惠琪,于洪爱
参考文献(References)：
- [1]Brandt Y M.The growing use of aluminum in today’s automobiles[J].Light Metal Age,1994,52(9):88-89.
- [2]Pope A,Constantinescu S,Groza J R,et al.New high-temperature copper alloys[J].J Univer Sci Tech Beijing,1996,5(6):695-698.
- [3]陈宪文,翁世耀,程玉书,等.电工材料[M].北京:中国铁道出版社,1987.
- [4]Shibata K,Matsuyama H.Surface alloying of aluminium by CO2laser radiation[J].Journal of Materials Science and Technology,2003,19(4):368-370.
- [5]Gasser A.Dispersion of hard particles in light alloys with CO2laser radiation[J].Transactions of Nonferrous Metals Society of China,2006,16(2):363-367.
- [6]田丰,赵程,彭红瑞,等.金属材料表面熔覆方法的研究进展[J].青岛化工学院学报,2002,(3):50-54.TIAN Feng,ZHAO Cheng,PENG Hong-rui,et al.Research progress of metal surface cladding methods[J].Journal of Qingdao University of Science andTechnology,2002,(3):50-54.
文章评论(Comment)：
|
||||||||||||||||||
|
||||||||||||||||||