Investigation of Corrosion Resistance of Ni-P-SiC Composite Coatings After Vacuum Heat Treatment

被引：0
|
作者：
Wang, Yan [1 ]
Yao, Ping [1 ]
Zhang, Jian [1 ]
Wang, Ju-Nian [1 ]
机构：
[1] Hunan Univ Sci & Technol, Sch Informat & Elect Engn, Xiangtan 411201, Hunan, Peoples R China
来源：
INTERNATIONAL CONFERENCE ON MECHANISM SCIENCE AND CONTROL ENGINEERING (MSCE 2014) | 2014年
关键词：
Electroless Ni-P-SiC composite coating; Vacuum heat treatment; Microhardness; Corrosion resistance;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, the electroless Ni-P-SiC composite coatings were prepared and the morphology was studied by scanning electron microscopy (SEM). Large number of particles incorporation and uniform distribution were found in Ni-P-SiC composite coatings. Potentiodynamic polarization measurements were made on these composite coatings in 3.5% sodium chloride solution. Though the corrosion resistance of as-deposited composite coatings was better than that of Ni-P coatings, it became inferior in quenched specimens. As a result, the corrosion rate of Ni-P-SiC increased to 0.07013 mmy(-1) (still lower than 0.08367 mmy(-1) of Ni-P coating) after heat treatment at 400 circle C.
引用
收藏
页码：487 / 492
页数：6
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