纯铜管式换热器电镀镍工艺  

Nickel electroplating on pure copper tube heat exchanger

作　　者：李廷取 刘祥玲 刘文异 曲明洋 LI Tingqu;LIU Xiangling;LIU Wenyi;QU Mingyang(College of Materials Science and Engineering,Jilin Institute of Chemical Technology,Jilin 132022,China;College of Mechanical and Electrical Engineering,Jilin Institute of Chemical Technology,Jilin 132022,China;Measuring and Testing Center,Jilin Jiangji Special Industrial Co.,Ltd.,Jilin 132021,China;Hongbang Die Casting(Nantong)Co.,Ltd.,Nantong 226300,China;State Key Laboratory of Advanced Processing and Recycling of Nonferrous Metals,School of Materials Science and Engineering,Lanzhou University of Technology,Lanzhou 730050,China)

机构地区：[1]吉林化工学院材料科学与工程学院,吉林吉林132022 [2]吉林化工学院机电工程学院,吉林吉林132022 [3]吉林江机特种工业有限公司计量测试中心,吉林吉林132021 [4]雄邦压铸(南通)有限公司,江苏南通226300 [5]兰州理工大学省部共建有色金属先进加工与再利用国家重点实验室,甘肃兰州730050

出　　处：《电镀与涂饰》2022年第15期1049-1052,共4页Electroplating & Finishing

基　　金：吉林省教育厅“十三五”科学技术项目(JJKH20180557KJ);吉林化工学院科学技术研究项目(2017037)。

摘　　要：对铜换热器表面电镀镍,镀液配方和工艺条件为:六水合氯化镍200 g/L,硼酸40 g/L,糖精3 g/L,十二烷基硫酸钠0.1 g/L,pH 4~5,温度(60±5)℃,电流密度1.5 A/dm^(2),时间20~50 min。所得的镍镀层呈光亮的银白色,电镀50 min时厚度为9.30μm,显微硬度为149 HV,结合力和高温抗氧化性优良。Nickel electroplating was conducted on the surface of copper heat exchanger from a bath containing nickel sulfate hexahydrate 200 g/L,boric acid 40 g/L,saccharin 3 g/L,and sodium dodecyl sulfate 0.1 g/L at pH 4-5,temperature(60±5)℃,and current density 1.5 A/dm^(2) for 20-50 min.The nickel coating electroplated for 50 min was bright and silvery white,had a thickness of 9.30μm and a microhardness of 149 HV,and showed good adhesion and high-temperature oxidation resistance.

关 键 词：电镀镍 纯铜管式换热器 结合力 显微硬度 高温抗氧化性 

分 类 号：TQ153.12[化学工程—电化学工业]