Physical, Mechanical, and Dry Sliding Wear Properties of Fe-Cr-W-C Hardfacing Alloys Under Different Tungsten Addition

被引：0
作者：
Mahdi Hajihashemi
Morteza Shamanian
Ghasem Azimi
机构：
[1] Isfahan University of Technology (IUT),Department of Materials Engineering
[2] Isfahan University of Technology (IUT),Educational Workshop Center
来源：
Metallurgical and Materials Transactions B | 2015年 / 46卷
关键词：
Carbide; Austenite; Wear Resistance; Tungsten Carbide; Clothe Layer;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In this study, the effects of tungsten on microstructure and wear performance of Fe-Cr-C claddings were evaluated. In this regard, tungsten inert gas surfacing process was employed to deposit Fe-Cr-C and Fe-Cr-C-W hardfacing alloys on plain carbon steel substrate using preplaced powders. Phase composition, microstructure, and wear behavior of clad layers were investigated using X-ray diffraction analysis, optical and scanning electron microscopy, and reciprocating wear tests, respectively. The claddings were well bonded to the substrate and showed a uniform microstructure. Cr7C3 and WC carbides were detected in the deposited layers. Further investigations indicated that the hardness and wear resistance can be improved by adding tungsten into Fe-Cr-C hardfacing alloys.
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页码：919 / 927
页数：8
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