表面技术2011，Vol.40Issue(2)：65-68,4.
铝合金化学镀镍工艺研究
Study on the Process of Electroless Ni Coating Deposited on the 6061 Aluminum Alloy
摘要
Abstract
Electroless Ni-P alloy plating was taken on 6061 aluminum alloy. In accordance with the coatings hardness, the orthogonal testing method was used to screen the nickel plating solution, an optimum formula of electroless Ni-P was obtained, the optimized bath composition contained 25 g/L nickel sulphate hexahydrate, 25 g/L sodium hypophosphite, 20 g/L sodium acetate trihydrate, 20 g/L lactic acid. The effect of sodium dodecyl sulfate, temperature and pH on the property of the coatings were discussed. The results indicate that as the concentrayion of the sodium dodecyl sulfate is 0.5 g/L, the porosity is less; The coating grows lighter and harder but the adhesion strength grows bad with the mcreasement of pH and temperature, when the under the condition of pH 4.78, the temperature 70 ℃ and plating 6 h, the hardness of the obtained coating is 476.8HV and the adhesion strength is better.关键词
6061铝合金前处理/化学镀/硬度/结合力/表面形貌Key words
pretreatment of 6061 aluminum alloy/roless plating/ hardness/ adhesion strength/ surface morphology分类
化学化工引用本文复制引用
杨建文,贺朝辉,杨杰,石阳..铝合金化学镀镍工艺研究[J].表面技术,2011,40(2):65-68,4.基金项目
广西自然科学基金资助项目(桂自科0679011,0728215) （桂自科0679011,0728215）
广西科学研究与技术开发计划项目(桂科攻063000423A) （桂科攻063000423A）
