Effect of Magnetic Field on Properties and Element Distribution of Ni-Based WC Composite Coatings

被引：8

作者：

Jin, Guo ^{[1
]}

Li, Yang ^{[1
]}

Xiao, Qiang ^{[1
]}

Cui, Xiufang ^{[1
]}

Cai, Zhaobing ^{[1
]}

机构：

[1] Harbin Engn Univ, Coll Mat Sci & Chem Engn, Inst Surface Interface Sci & Technol, Key Lab Superlight Mat & Surface Technol,Minist E, 145 Nantong St, Harbin 150001, Heilongjiang Pr, Peoples R China

来源：

MATERIALS AND MANUFACTURING PROCESSES | 2016年 / 31卷 / 09期

基金：

中国国家自然科学基金; 中国博士后科学基金;

关键词：

Element distribution; Erosion resistance; Magnetic field; Plasma cladding; Wear resistance; CLADDING PROCESS; MICROSTRUCTURE; BEHAVIOR;

D O I：

10.1080/10426914.2015.1070428

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The Ni-based WC coatings enhanced by WC particle were fabricated on FV520B by plasma cladding device. The influence of magnetic force on the microstructure and performance of the coating was investigated. If the magnetic field does not exist, the microstructure of coating is a cluster of block-shaped structures; it is observably different from the dendritic and crumbling snowflake-like structures formed under transverse and longitudinal magnetic fields. The WC particles were distributed at the grain boundary. With the effect of longitudinal magnetic field, wear resistance and erosion resistance of coatings improved markedly. When axial magnetic field intensity came to 38 mT, the microhardness of coatings reached a maximum value, 720 HV0.2. Electron probe microanalyzer (EPMA) indicates the metallurgical combination at the interface and element interdiffusion happened between the coating and substrate.

引用

页码：1253 / 1260

页数：8

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