Microstructure and Hardness of TiC/Ni-based Coating by Plasma Cladding

被引：4

作者：

Sun Bin ^{[1
]}

Zhang Wenyong ^{[1
]}

Lu Jinbin ^{[1
]}

Wang Zhixin ^{[1
]}

机构：

[1] Zhongyuan Univ Technol, Sch Mat & Chem Engn, Zhengzhou 450007, Peoples R China

来源：

MACHINERY, MATERIALS SCIENCE AND ENGINEERING APPLICATIONS | 2012年 / 510卷

关键词：

Plasma cladding; TiC; Ni-Cr-B-Si; Microstructure;

D O I：

10.4028/www.scientific.net/AMR.510.734

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

TiC reinforced Ni-based composite coating added with 10% TiC particles was prepared on the surface of Q235 steel by plasma cladding. SEM as well as EDS and XRD were used to investigate the microstructure and formation mechanism of composite coating. The results show that between composite coating and substrate is metallurgical combination, and the microstructure of composite coating is composed of basic microstructure dendrite gamma-Ni, interdendritic eutectic structure (alpha-Fe+Cr7C3+Fe3C) and dispersed TiC particle. The maximum value of micro-hardness of composite coating added with 10% TiC particle is 440 HV0.2.

引用

页码：734 / 737

页数：4

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