Influence of pulse reverse current on mechanical and corrosion resistance properties of Ni-MoSe2 nanocomposite coatings

被引：18

作者：

Narayanasamy, Mugilan ^{[1
,2
]}

Kirubasankar, Balakrishnan ^{[1
]}

Joseph, Antony ^{[1
]}

Yan, Chao ^{[2
]}

Angaiah, Subramania ^{[1
]}

机构：

[1] Pondicherry Univ, Ctr Nanosci & Technol, Electromat Res Lab, Pondicherry 605014, India

[2] Jiangsu Univ Sci & Technol, Sch Mat Sci & Engn, Zhenjiang 212003, Jiangsu, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2019年 / 493卷

关键词：

MoSe2; nanoparticles; Ni-MoSe2 nanocomposite coating; Pulse reverse plating; Metal matrix nanocomposite; Electrodeposition; PLATING PARAMETERS; CURRENT ELECTRODEPOSITION; BEHAVIOR; MICROSTRUCTURE; NANOHYBRID; NANOSHEETS;

D O I：

10.1016/j.apsusc.2019.06.239

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The Ni-MoSe2 nanocomposite coating was successfully prepared on mild steel specimen using pulse reverse current technique by varying its duty cycle and frequency at the fixed concentration of 2.5 g/L of MoSe2 nanoparticles in Watt's nickel plating bath. The surface morphology and crystal orientation of nanocomposite coatings were investigated by FE-SEM and XRD, respectively. The influence of duty cycles on the co-deposition and microhardness of Ni-MoSe2 nanocomposite coatings have been evaluated. The 60% duty cycle exhibited better crystal orientation with excellent strengthening effect due to the refinement of Ni. The Tafel polarization and electrochemical impedance studies were performed for Ni-MoSe2 nanocomposite coatings in 3.5 wt% of NaCl solution. These results revealed that the incorporation of MoSe2 in nickel matrix has improved mechanical and corrosion resistance properties.

引用

页码：225 / 230

页数：6

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