The Effect of Al2O3 concentration on properties of Ni-W-P-Al2O3 electroless composite coating

被引：1
|
作者：
Sun, Wan Chang [1 ]
机构：
[1] Xian Univ Sci & Technol, Sch Mat Sci & Engn, Xian 710054, Shaanxi, Peoples R China
来源：
AUTOMATION EQUIPMENT AND SYSTEMS, PTS 1-4 | 2012年 / 468-471卷
关键词：
Electroless composite coating; Ni-W-P-Al2O3; micro-hardness; corrosion resistance; NI-W-P; PHASE-TRANSFORMATION BEHAVIOR; SURFACE-MORPHOLOGY; CRYSTALLIZATION; DEPOSITION;
D O I：
10.4028/www.scientific.net/AMR.468-471.1163
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Ni-W-P-Al2O3 electroless composite coating was successfully co-deposited on 45 steel substrate using electroless plating. Optical microscope (OM), micro-hardness tester and. potentiodynamic polarization were used to analyze the morphology, micro-hardness and corrosion resistance of the composite coating. The effect of Al2O3 concentration in the plating solution on the micro-hardness and corrosion resistance of the composite coating was mainly discussed. The results show that Al2O3 particles co-deposit with Ni-W-P homogeneously. The micro-hardness and corrosion resistance of the coating are improved with the increasing of Al2O3 concentration in the plating bath, and then decrease at a high Al2O3 concentration.
引用
收藏
页码：1163 / 1166
页数：4
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