等离子喷涂工艺参数对高纯氧化钇涂层性能的影响  

Effects of Plasma Spraying Parameters on Properties of High Purity Yttrium Oxide Coating

作　　者：万伟伟 夏春阳 王旭 国俊丰 李伟 WAN Wei-wei;XIA Chun-yang;WANG Xu;GUO Jun-feng;LI Wei(BGRIMM Technology Group,Beijing 100160,China)

机构地区：[1]矿冶科技集团有限公司,北京100160

出　　处：《世界有色金属》2021年第10期121-123,共3页World Nonferrous Metals

摘　　要：本文采用METCO F4等离子喷涂系统在铝合金基体上制备了高纯氧化钇涂层,并通过四因素三水平正交试验,研究了氩气流量、氢气流量、喷涂功率和喷涂距离这四个工艺参数对涂层结合强度、孔隙率以及表面粗糙度的影响规律。结果表明:(1)涂层的结合强度随着氩气流量的增加先小幅减小后快速增大;随氢气流量的增加先增大后减小;随着等离子功率的增加逐渐减小;随着喷涂距离的增加逐渐增加。(2)涂层的孔隙率随着氩气流量的增加越来越小;随着氢气流量的增加,涂层孔隙率先减小后略有增加;随着喷涂功率的增加涂层孔隙率迅速减小,随着喷涂距离的增加,涂层孔隙率先增大后减小。In this paper,the high purity argon oxide coating is prepared on the aluminum alloy substrate by the METCO F4 plasma spraying system,and the effect of the four process parameters of argon flow,hydrogen flow,spray power and spray distance on coating binding strength,porosity and surface roughness is studied.The results show that the binding strength of the coating decreases slightly with the increase of argon flow,increases and decreases with the increase of hydrogen flow,decreases gradually with the increase of plasma power,and increases with the increase of spray distance.(2)The porosity of the coating is getting smaller and smaller with the increase of argon flow,with the increase of hydrogen flow,the coating pores are slightly increased after the first decrease,and with the increase of spray power,the porosity of the coating decreases rapidly,and with the increase of the spray distance,the coating pores are reduced after the first increase.

关 键 词：等离子喷涂 高纯氧化钇 喷涂参数 结合强度 孔隙率 

分 类 号：TG174.4[金属学及工艺—金属表面处理]