化学镀Ni-P合金复合络合剂的应用研究  被引量:6

Application of Composite Complexing Agent in Electroless Nickel Plating

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作  者:胡海娇[1] 刘定富[1] 

机构地区:[1]贵州大学化学与化工学院,贵州贵阳550003

出  处:《电镀与精饰》2014年第3期34-38,共5页Plating & Finishing

摘  要:在化学镀Ni-P合金溶液中,加入有机酸LA、丁二酸、乳酸和甘氨酸四种络合剂为因素进行正交实验,以磷含量、镀速和稳定时间为考察指标,确定最佳实验方案。结果表明,当复合络合剂中ρ(有机酸LA)为22g/L,ρ(丁二酸)为6g/L,ρ(乳酸)为12mL/L时,三种络合剂复配效果最佳。并对加入复合络合剂所得化学镀Ni-P合金镀层进行X-射线衍射分析、中性盐雾腐蚀测试和溶液使用周期试验。结果表明,组合镀液所得镀层是非晶态的,镀层耐蚀性良好,镀液使用可达6个周期。Orthogonal experiments were conducted by factors of LA,succinic acid,lactic acid and glycine content and the optimum experiment scheme was determined by taking phosphorus content,deposition rate and stability time as indexes.Results showed that when the concentrations of LA,succinic acid and lactic acid was 22g/L,6g/L and 12mL/L respectively,the best result could be obtained.Microstructure and corrosion resistance of the Ni-P coating were determined by X-ray diffraction,neutral salt spray and cycle corrosion tests.The results showed that the coating prepared by composite plating solution was in amorphous state with a higher corrosion resistance and a lifetime of 6 cycles.

关 键 词:化学镀NI-P合金 络合剂复配 X-射线衍射 中性盐雾测试 周期试验 

分 类 号:TQ153.12[化学工程—电化学工业]

 

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