碱金属阳离子对化学镀镍的影响

电镀与涂饰 , 2011, 30(4): 19-22.

碱金属阳离子对化学镀镍的影响

胡光辉 ^1, , 唐锋 ^2, , 黄华娥 ^3, , 潘湛昌 ^4, , 魏志钢 ^5, , 苏小辉 ^6,

1.广东工业大学轻工化工学院,广东,广州,510006

2.广东工业大学轻工化工学院,广东,广州,510006

3.广东工业大学轻工化工学院,广东,广州,510006

4.广东工业大学轻工化工学院,广东,广州,510006

5.广东工业大学轻工化工学院,广东,广州,510006

6.广东工业大学轻工化工学院,广东,广州,510006

关键词：化学镀镍 , 碱金属阳离子 , 沉积速率 , 耐硝酸腐蚀

Effects of alkali metal cations on electroless nickel plating

研究了碱金属阳离子(以柠檬酸盐的形式加入,浓度为0.143 mol/L)对黄铜基体上化学镀层中镍磷含量、化学沉积速率、镀层耐硝酸腐蚀性能和镀层外观等的影响.镀液基础配方为:NiSO<,4>·6H<,2>O 25 g/L,NaH<,2>PO<,2>·H<,2>O 25 g/L,甘氨酸1g/L,乙酸铵4.5 g/L,乳酸1 mLFL.结果表明:镀层中磷含量和耐硝酸腐蚀性能按Na<'+>的顺序排列,化学沉积速率按Na<'+>>K<'+>>NH<'+><,4>的顺序排列,配方2(K<'+>)镀层易残留镀液,导致镀层氧化变色.

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碱金属阳离子对化学镀镍的影响

Effects of alkali metal cations on electroless nickel plating

参考文献