工艺参数对Ni-TiN纳米复合镀层形貌的影响  

Effects of Process Parameters on Surface Morphology of Ni-TiN Nano Composite Coating

作　　者：于明明[1] 李洪友[1] 

机构地区：[1]华侨大学机电及自动化学院,福建厦门361021

出　　处：《电镀与环保》2013年第6期6-8,共3页Electroplating & Pollution Control

摘　　要：采用超声波-双脉冲电沉积法,在不锈钢基体上制备Ni-TiN纳米复合镀层.研究了超声波功率、脉冲电源参数、TiN的质量浓度等工艺参数对复合镀层表面形貌的影响.得到最佳的工艺参数为：TiN 10 g/L,镀液温度40～50℃,pH值3.5～4.0,正向脉冲电流密度5 A/dm2,反向脉冲电流密度0.5 A/dm2,占空比1/2,超声波功率200W.A Ni-TiN nano composite coating was prepared on stainless steel substrate by ultrasonic-double pulse electrodeposition.The effects of such process parameters as ultrasonic power,pulse power parameters,TiN mass concentration,etc.on the surface morphology of the composite coating were investigated.The test results show that the optimum process parameters are as follows：TiN particle concentration 10 g/L,temperature 40～50 ℃,direct impulse current density 5 A/dm2,reverse impulse current density 0.5 A/dm2,duty cycle 1/2,ultrasonic power 200 W.

关 键 词：纳米TiN微粒 超声波-双脉冲 复合电沉积 工艺参数 表面形貌 

分 类 号：TQ153[化学工程—电化学工业]