热喷涂工艺对Ni-Cr-Al涂层硬度性能的影响  

Influence of arc spraying parameters on the property of hardness of Ni-Cr-Al coating

作　　者：陈亚军[1] 韩永梅[2] 丁坤英[1] 贾鹏[1] 

机构地区：[1]中国民航大学理学院,天津300300 [2]天津市机电工业控股集团公司研究院,天津300232

出　　处：《焊接技术》2009年第1期12-15,共4页Welding Technology

基　　金：民航局科技项目计划资助(MHRD200811)

摘　　要：电弧喷涂是一种热喷涂技术,该技术具有优质、高效、低成本等特点。本文运用正交试验对电弧喷涂过程中喷涂电压、喷涂电流、喷涂压力、喷涂距离对Ni-Cr-Al涂层硬度性能的影响进行了研究,分别找到了影响电弧喷涂涂层硬度的主要因素,筛选出了最佳工艺条件,为今后电弧喷涂系统工艺参数的确定提供了参考。Arc spraying technique was one of thermal spraying technologies.It possesses the characteristics of super quality,high efficiency and low cost.In this essay,the effectiveness of process parameters on the characteristics of arc spraying coating were studied by orthogonal experiment.It was proved that arc voltage,arc current,air pressure,and spraying distance had different effects on the hardness of Ni-Cr-Al coating.In addition the selection of the process parameters played a very significant role in the arc spraying coating property.This result provided reference for determining the parameters in arc spraying process.

关 键 词：电弧喷涂 Ni—Cr-Al涂层 工艺参数 正交试验 硬度 

分 类 号：TG174.44[金属学及工艺—金属表面处理]