TiO_2纳米粒子对低磷化学复合镀Ni-P合金的影响
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摘要
以不锈钢为基体,采用化学镀方法制备Ni-P合金,然后在镀液中添加TiO_2纳米粒子制备出低磷化学复合镀Ni-P合金,以镀层硬度、孔隙率、磷含量、沉积速率等为评价指标,研究了TiO_2纳米粒子对低磷化学复合镀Ni-P合金的影响。结果表明,镀液中添加纳米TiO_2后,镀层硬度增大、孔隙率降低、磷含量增加。TiO_2纳米粒子的最优添加量是0.50 g/L。
Ni-P alloy was prepared on stainless steel substrate by electroless plating method. The TiO_2 nanoparticles were added in the solution,and low phosphorus Ni-P alloy was prepared by electroless composite plating technique. The effect of TiO_2 nanoparticle on the low phosphorus electroless composite plating of Ni-P alloy was studied using the hardness,porosity,phosphorus content and deposition rate of the coating as evaluation factors. The results showed that the hardness of the coating increased with addition of TiO_2 nanoparticles into the bath,as well as the decrease of porosity and the increase of phosphorus content. The optimum TiO_2 nanoparticles addition amount was 0.50 g/L.
Ni-P alloy was prepared on stainless steel substrate by electroless plating method. The TiO_2 nanoparticles were added in the solution,and low phosphorus Ni-P alloy was prepared by electroless composite plating technique. The effect of TiO_2 nanoparticle on the low phosphorus electroless composite plating of Ni-P alloy was studied using the hardness,porosity,phosphorus content and deposition rate of the coating as evaluation factors. The results showed that the hardness of the coating increased with addition of TiO_2 nanoparticles into the bath,as well as the decrease of porosity and the increase of phosphorus content. The optimum TiO_2 nanoparticles addition amount was 0.50 g/L.
引文
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[5]张乃军,周苏闽. Ni-P/纳米TiO_2复合镀层的抗菌性能研究[J].淮阴工学院学报,2006,15(5):75-78.
[6]黄新民,吴玉程,谢跃勤.Ni-P-纳米TiO_2化学复合镀层[J].中国表面工程,2001,3:34-36.
[7]李雨,杨晨,刘定富.络合剂对化学镀镍-磷合金的影响[J].电镀与精饰,2015,37(2):33-36.
[8]夏承钰.酸性化学镀镍沉积速度的研究[J].材料保护,1996,1:4-7.
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