Structure and Mechanical Properties of Ni-P-Nano Al_2O_3 Composite Coatings Synthesized by Electroless Plating

作     者：ZHOU Guang-hong DING Hong-yan ZHOU Fei ZHANG Yue 

作者机构：Department of Mechanical Engineering Huaiyin Institute of Technology Huai＇an 223001 Jiangsu China Institute of Bio-inspired Structure and Surface Engineering Academy of Frontier Science Nanjing University of Aeronautics and Astronautics Nanjing 210016 Jiangsu China 

出 版 物：《Journal of Iron and Steel Research International》 (J. Iron Steel Res. Int.)

年 卷 期：2008年第15卷第1期

页      面：65-69页

核心收录：

学科分类：08[工学] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）] 

基　　金：Item Sponsored by Jiangsu Natural Science Foundation of China(04KJB430013) Jiangsu Key Laboratory of Friction Wear Opening Foundation 

主　　题：composite coating nano Al2O aging treatment mechanical property 

摘      要：Ni-P-nano Al2O3 composite coatings were deposited by electroless plating,and their microstructures were observed by SEM（scanning electron microscope）.The microhardness and the wear resistance of the Ni-P-nano Al2O3 composite coatings were measured using microhardness tester and block-on-ring tribometer,respectively,and the comparison with those of Ni-P coatings or Ni-P-micro Al2O3 coating was *** influences of aging temperature on their hardness and wear resistance were *** results showed that the nano Al2O3 particles were distributed uniformly in the Ni-P-Al2O3 *** three kinds of Ni-P based coatings,the hardness and wear resistance of Ni-P-nano Al2O3 coatings were largest,and the maximum values could be obtained at 400 ℃.This indicated that the precipitation of nano Al2O3 particles would improve the hardness and wear resistance of the Ni-P coatings.