等离子转移弧电流对Ni60涂层质量的影响  

Effect of Plasma Transfer Arc Current on the Quality of Ni60 Coating

作　　者：罗汝恺 卢威[2] 魏仕勇[3] 万珍珍[3] 金莹[3] LUO Ru-kai;LU Wei;Wei Shi-yong;WAN Zhen-zhen;JIN Ying(School of Physics and Materials Science,Nanchang University,Nanchang Jiangxi 330031,China;Department of Mechanical and Electrical Engineering,Zhangjiajie Aviation Industry Vocational and Technical College,Zhangjiajie Hunan 427000,China;Institute of Applied Physics,Jiangxi Academy of Sciences,Nanchang Jiangxi 330096,China)

机构地区：[1]南昌大学物理与材料学院,江西南昌330031 [2]张家界航空工业职业技术学院机电系,湖南张家界427000 [3]江西省科学院应用物理研究所,江西南昌330096

出　　处：《热处理技术与装备》2023年第3期12-14,23,共4页Heat Treatment Technology and Equipment

基　　金：江西省科学院省级科技计划项目包干制项目(2021YSBG22003),江西省科学院博士引进项目(2022YYB19);2021湖南省教育厅科学研究项目“MC型碳化物颗粒增强FCC高熵合金基涂层制备及其应用研究”(项目编号:21C1543)。

摘　　要：为了研究等离子转移弧电流对Ni60涂层质量的影响,采用金相显微镜(OM)、维氏显微硬度计对熔覆层进行宏观形貌、稀释率和显微硬度分析。结果表明:转移弧电流为90~140 A时,可在Q235碳钢板上获得成形良好、无裂纹的Ni60熔覆层;转移弧电流为90~130 A时,熔覆层冶金结合较好,且稀释率比较合适;转移弧电流为100~110 A时,熔覆层的硬度较高,最高可达825.5 HV。In order to study the effect of plasma transfer arc current on the quality of Ni60 coating,the macrostructure,dilution rate and microhardness of the cladding layers were analyzed by OM and Vickers microhardness tester.The results showed that Ni60 cladding layers could be obtained good forming and no crack on Q235 carbon steel plate with the transfer arc current rangeed from 90 to 140 A.When the current ranges were 90 to 130 A,the metallurgical bonding of the cladding layer was better,and the dilution rate was suitable.When the transfer arc current was 100 to 110 A,the hardness of cladding layer was relatively high,and the highest was up to 825.5 HV.

关 键 词：NI60合金 等离子转移弧焊技术 电流 熔覆质量 性能 

分 类 号：TG113[金属学及工艺—物理冶金]