Properties of nano-SiC/Ni composite coating on diamond surfaces

被引：13
作者：
Xiao, C. J. [1 ]
机构：
[1] Henan Univ Technol, Dept Mat Sci & Engn, Zhenzhou 450007, Peoples R China
来源：
SURFACE ENGINEERING | 2018年 / 34卷 / 11期
关键词：
Nano-SiC; Ni composite coating; microstructure; Fe-matrix bonded; diamond tool bits; properties; BEHAVIOR; ELECTRODEPOSITION; PARTICLE;
D O I：
10.1080/02670844.2017.1376847
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A Ni coating and nano-SiC/Ni composite coating were prepared on diamond surfaces by an electro-co-deposition method. The surface morphology of plated diamond grit and the bonding state between diamond and Fe-matrix bond were characterised by the scanning electron microscopy and energy-dispersive spectroscopy (EDS). The flexural strength and wear resistance performance of the Fe-matrix bonded diamond tool bits were tested. The results showed that the nano-SiC/Ni composite coating possesses a smoother, finer, and denser microstructure when compared with a pure Ni coating. Furthermore, the nano-SiC/Ni composite coating on diamond surfaces improved the flexural strength and wear resistance of Fe-matrix bonded diamond tool bits. The EDS analysis indicated that the chemical combination between diamond grits and Fe-matrix bonding was formed, thereby the mechanical properties of Fe-matrix bonded diamond tool bits were enhanced.
引用
收藏
页码：832 / 837
页数：6
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