Effect of Current Type and Density on Tribological Properties of Electrodeposited Ni-Co/MWCNT Nanocomposite Coatings

被引：0
|
作者：
Karslioglu, Ramazan [1 ,2 ]
Akcil, Mustafa [3 ]
Alp, Ahmet [4 ]
Akbulut, Hatem [4 ]
机构：
[1] Ankara Yildirim Beyazit Univ, Fac Architecture & Fine Arts, Dept Ind Design, TR-06760 Ankara, Turkiye
[2] Ankara Yildirim Beyazit Univ, AYBU Cent Res Lab Res & Applicat Ctr, TR-06010 Ankara, Turkiye
[3] Sakarya Univ Aplpied Sci, Met & Mat Engn, Esentepe Campus, TR-54187 Sakarya, Turkiye
[4] Sakarya Univ, Dept Met & Mat Engn, Esentepe Campus, TR-54187 Sakarya, Turkiye
来源：
JOM | 2023年 / 75卷 / 12期
关键词：
Compendex;
D O I：
10.1007/s11837-023-06091-z
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nickel (Ni)-cobalt (Co) alloys and multi-walled carbon nanotube (MWCNT)-reinforced Ni-Co nanocomposite coatings were produced by direct current (DC) and pulse reverse current (PRC) electrodeposition methods on a copper substrate with various current densities between 3.0 and 9.0 A/dm2. The effects of current type and density on the microstructural and tribological properties of an unreinforced Ni-Co alloy and MWCNT-reinforced Ni-Co nanocomposite coatings were investigated. The results show that the PRC type increased the hardness value from 261 HV to 290 HV. In MWCNT additions to the Ni-Co nanocomposite coatings, the microhardness values reached 465 HV. Also, MWCNT additions significantly increased the wear resistance and decreased the friction coefficient between the friction surfaces because of the self-lubrication effect of the MWCNT. The PRC type also provided better tribological properties in comparison with the DC type for both samples of unreinforced and MWCNT-reinforced Ni-Co alloys.
引用
收藏
页码：5114 / 5125
页数：12
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