电沉积工艺参数对Ni-TiN纳米复合镀层粒子复合量的影响  

Effect of electrodepositing parameters on particle contents in Ni-TiN nanocomposite coating

作　　者：兰宏宇[1] 马春阳[2] 李洋[2] 夏法锋[2] 

机构地区：[1]东北石油大学计算机与信息技术学院,黑龙江大庆163318 [2]东北石油大学机械科学与工程学院,黑龙江大庆163318

出　　处：《兵器材料科学与工程》2015年第3期52-54,共3页Ordnance Material Science and Engineering

基　　金：国家自然科学基金资助项目(51474072);黑龙江省应用技术研究与开发计划重大项目(GA13A402)

摘　　要：采用超声波辅助脉冲电沉积方法,在40Cr钢表面制备Ni-Ti N纳米复合镀层,研究工艺参数对其粒子复合量的影响,并用扫描电镜(SEM)和能谱仪(EDS)对镀层的显微组织结构进行测试。结果表明:随着镀液中Ti N粒子浓度、阴极电流密度、超声波功率的增加,Ni-Ti N纳米复合镀层中的Ti N粒子复合量均呈先增加后减小的趋势;当Ti N粒子浓度为30 g/L、阴极电流密度为4 A/dm2、超声波功率为200 W时,Ni-Ti N纳米复合镀层表面粗糙程度较小、晶粒较为细致、组织均匀度较好,且Ti N粒子复合量达到最大值,为4.5%。Ni-Ti N nanocomposite coatings were prepared on the surface of 40 Cr steel by ultrasonic assisted electrodeposition. The effect of electrodepositing parameters on Ti N particle contents in Ni- Ti N composite coatings was analyzed,and the microstructures of the coatings were examined by scanning electron microscopy（SEM）and energy dispersive spectroscopy（EDS）. The results show that the Ti N particle content in Ni-Ti N nanocomposite coatings first increases and then decreases with the increase of Ti N concentration,current density and ultrasonic power. The Ni-Ti N coating deposited at Ti N concentration of 30g/L,current density of 4 A/dm2 and ultrasonic power of 200 W displays a fine and uniform structure,and the Ti N particle content in the coating reaches the maximum value of 4.5%.

关 键 词：NI-TI N 纳米复合镀层 电沉积 

分 类 号：TG156.73[金属学及工艺—热处理]