Electrodeposited nickel-graphene nanocomposite coating: effect of graphene nanoplatelet size on its microstructure and hardness

被引：21

作者：

Tran Van Hau ^{[1
,3
]}

Pham Van Trinh ^{[1
]}

Nguyen Phuong Hoai Nam ^{[3
]}

Nguyen Van Tu ^{[1
]}

Vu Dinh Lam ^{[2
]}

Doan Dinh Phuong ^{[1
,2
]}

Phan Ngoc Minh ^{[2
]}

Bui Hung Thang ^{[1
,2
]}

机构：

[1] Vietnam Acad Sci & Technol, Inst Mat Sci, 18 Hoang Quoc Viet Str, Hanoi, Vietnam

[2] Vietnam Acad Sci & Technol, Grad Univ Sci & Technol, 18 Hoang Quoc Viet Str, Hanoi, Vietnam

[3] VNU Univ Engn & Technol, 144 Xuan Thuy Str, Hanoi, Vietnam

来源：

RSC ADVANCES | 2020年 / 10卷 / 37期

关键词：

MECHANICAL-PROPERTIES; THERMAL-CONDUCTIVITY; COMPOSITE; NI; FILMS; DEPOSITION; MORPHOLOGY; BEHAVIOR; ENERGY;

D O I：

10.1039/d0ra03776a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this study, the effect of graphene nanoplatelet (GNP) size on the microstructure and hardness of the electrodeposited nickel-graphene nanocomposite coatings were investigated. GNPs with different sizes were prepared by using a high energy ball milling technique. The experimental result revealed the high energy ball milling technique could reduce the size, increase the surface area, and improve the dispersion ability of GNPs. The microstructure, hardness, and components of the nanocomposite coatings were greatly affected by GNP sizes. The highest microhardness was measured to be 273 HV for the nanocomposite coatings containing 5 h-milled GNPs, which is increased up to similar to 47% compared to pristine Ni coating. The enhancement in the hardness is attributed to the uniform dispersion of the small GNP sizes inside the Ni matrix and the Ni grain size reduction when using milled GNPs.

引用

页码：22080 / 22090

页数：11

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