摘要
为获得化学镀Ni-Co-P工艺配方的合理配比,运用单因素对比实验,探讨了各种添加剂对化学镀Ni-Co-P合金镀液和镀层性能的影响,确定了各添加剂浓度范围,选取5个工艺参数,设计了L16(45)正交实验方案,用极差法分析了各参数对工艺性能影响的顺序,确定了最佳工艺配方。结果表明:当溶液中硫酸镍40 g/L,硫酸钴2 g/L,次磷酸钠25 g/L,柠檬酸钠50 g/L,硼酸为20 g/L,添加剂A为20-40 g/L,pH值7.0,温度90℃时,可以得到可以得到含钴量3.7%、含磷量约6%的Ni-Co-P中磷合金镀层,镀层表面胞状物均匀分布,组织致密。
In order to obtain the optimized factors of ultrasonic Electroless Ni-Co-P Plating by using orthogo-nal-design experiments,a group of orthogonal tests was arranged and the effect of different additives on electroplating solutions and deposits properties was investigated,concentrations of additives were determined,5 processing parameters were selected.L16（45） orthogonal test scheme was designed,range analysis was employed to find out the influence se-quence on the technology and thus the optimum formula and process were ensured.The test results on optimum condi-tion show that the alloy deposits with 88.71wt% Ni,3.72wt% Co,5.99wt% P are obtained.The obtained Ni-Co-P coating are in fine crystal grain size,well-distributed on the substrate surface.The optimized factors are as follows： nickel salt is 40 g/L,cobaltous sulfate in the solution is 2 g,sodium hypophosphite in the solution is 25 g/L,sodium citrate in the solution is 50 g/L,boric acid in the solution is 20 g/L,the others annexing agent in the solution is 20 to 40 g/L,the pH value is 7.0,the temperature is 90℃
出处
《宇航材料工艺》
CAS
CSCD
北大核心
2010年第4期44-46,59,共4页
Aerospace Materials & Technology
基金
山东建筑大学科研基金项目(XN080102)
山东省博士基金项目(2007BS04006)
关键词
化学镀
低温
超声波
沉积速度
Electroless
Low-temperature
Ultrasonic wave
Deposition rate
作者简介
孙华，1964年出生，副教授，主要从事表面处理方面的教研工作。E-mail：sunhua@sdjzu、edu．cn
