微粒的导电性对复合镀层结构与性能的影响  

Influence of Particle Electrical Conductivity on Structure and Properties of Composite Coating

作　　者：胡红伟[1] 李晓燕[2] 

机构地区：[1]河南城建学院环境与市政工程系,河南平顶山467036 [2]河南城建学院化学化工系,河南平顶山467036

出　　处：《电镀与环保》2013年第5期31-33,共3页Electroplating & Pollution Control

摘　　要：在复合电沉积过程中辅助施加超声波搅拌,制备出Ni-Al和Ni-Al2O3两种复合镀层。借助扫描电镜、X射线衍射仪、显微硬度计和摩擦磨损试验机研究了微粒的导电性对复合镀层形貌、相结构及性能的影响。结果表明:微粒的导电性对复合镀层的形貌、相结构和显微硬度均有一定影响,但对耐磨性的影响不明显;添加惰性微粒有利于获得形貌良好、结构致密、显微硬度较高的复合镀层。Two types of composite coatings of Ni-A1 and Ni-A1203 were prepared with composite electrodeposition with ultrasonic stirring. The influence of particle electrical conductivity on the morphology, structure and properties of the two composite coatings was investigated by means of scanning electron microscope, X-ray diffractometer, microhardness tester and abrasion testing machine. The results indicate that particle electrical conductivity has a certain effect on the morphology, phase structure and properties of the composite coatings; however it shows no significant effect on the abrasive resistance. Addition of inert particles is helpful to obtain a composite coating featuring good morphology, compact structure and higher hardness.

关 键 词：复合镀层 超声波电沉积 导电性 结构 性能 

分 类 号：TQ153[化学工程—电化学工业]