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

被引：10
作者：
Hajihashemi, Mahdi [1 ]
Shamanian, Morteza [1 ]
Azimi, Ghasem [2 ]
机构：
[1] Isfahan Univ Technol, Dept Mat Engn, Esfahan 8415683111, Iran
[2] Isfahan Univ Technol, Educ Workshop Ctr, Esfahan 8415683111, Iran
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS B-PROCESS METALLURGY AND MATERIALS PROCESSING SCIENCE | 2015年 / 46卷 / 02期
关键词：
MICROSTRUCTURE; BEHAVIOR; RESISTANCE; COATINGS;
D O I：
10.1007/s11663-014-0230-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
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 pre-placed 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. (C) The Minerals, Metals & Materials Society and ASM International 2014
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收藏
页码：919 / 927
页数：9
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