Beneficial effects of Co2+ on co-electrodeposited Ni-SiC nanocomposite coating

doi:10.1016/S1003-6326(08)60238-1

IMR OpenIR

	Beneficial effects of Co2+ on co-electrodeposited Ni-SiC nanocomposite coating
	Yang Xiu-ying 1,2; Li Kang-ju 1; Peng Xiao 2; Wang Fu-hui 2
通讯作者	Yang Xiu-ying(xyyang0821@163.com)
	2009-02-01
发表期刊	TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN	1003-6326
卷号	19 期号:1 页码:119-124
摘要	Ni-SiC nanocomposites were fabricated by co-electrodeposition of nickel with silicon carbide nanoparticles on the pure nickel substrates from a nickel sulfate bath with and without the addition of Co2+. The presence of Co2+ in the electrolyte modifies the Ni matrix to Ni-Co solid solution matrix. It helps to refine the grain size of the nanocomposite coating and improves the content of SiC dispersed in the matrix, and consequently results in higher microhardness. The cathodic polarization curves and electrochemical impedance spectroscopy (EIS) at cathodic potential were investigated in the electrolyte with and without Co2+. A modified cathodic polarization curve with a positive shift in reduction potential and a smaller capacitive loop of EIS are observed. These are attributed to the strong adsorption of Co2+ on the SiC nanoparticles. Consequently, it increases the forces of electrostatic attraction between the SiC nanoparticles and the cathode, which promotes the codeposition of SiC nanoparticles in the matrix.
关键词	Ni-SiC Co2+ addition co-electrodeposition nanocomposite
资助者	Chinese Acaderny of Sciences(CAS)
DOI	10.1016/S1003-6326(08)60238-1
收录类别	SCI
语种	英语
资助项目	Chinese Acaderny of Sciences(CAS)
WOS研究方向	Metallurgy & Metallurgical Engineering
WOS类目	Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000264905700019
出版者	ELSEVIER SCIENCE BV
引用统计	被引频次：12[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/95961
专题	中国科学院金属研究所
通讯作者	Yang Xiu-ying
作者单位	1.Shenyang Ligong Univ, Polytech Sch, Fushun 113122, Peoples R China 2.Chinese Acad Sci, Inst Met Res, State Key Lab Corros & Protect, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Yang Xiu-ying,Li Kang-ju,Peng Xiao,et al. Beneficial effects of Co2+ on co-electrodeposited Ni-SiC nanocomposite coating[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2009,19(1):119-124.
APA	Yang Xiu-ying,Li Kang-ju,Peng Xiao,&Wang Fu-hui.(2009).Beneficial effects of Co2+ on co-electrodeposited Ni-SiC nanocomposite coating.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,19(1),119-124.
MLA	Yang Xiu-ying,et al."Beneficial effects of Co2+ on co-electrodeposited Ni-SiC nanocomposite coating".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 19.1(2009):119-124.