Investigation on Microstructure and Wear Resistance of the Plain Carbon Steel Hardfaced by the Fe-Cr-C Electrodes Containing Mo, W, V Elements

M.R. Khanzadeh GharahShiran; H. Bakhtiari; A. Dadvar

Investigation on Microstructure and Wear Resistance of the Plain Carbon Steel Hardfaced by the Fe-Cr-C Electrodes Containing Mo, W, V Elements

Publish place: Journal of Environmental Friendly Materials، Vol: 1، Issue: 1

Publish Year: 1396

Type: Journal paper

Language: English

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Link to this Paper:

https://civilica.com/doc/897126

Document National Code:

JR_JEFM-1-1_006

Index date: 16 July 2019

Investigation on Microstructure and Wear Resistance of the Plain Carbon Steel Hardfaced by the Fe-Cr-C Electrodes Containing Mo, W, V Elements abstract

In this investigate, plain carbon steel cladded by SMAW in single, two and three- pass with two hardface electrodes containing molybdenum, tungsten, and vanadium. Scanning electron microscopy, X-ray diffraction, wear tests and microhardness test were carried out to evaluate the microstructure and wear properties of hardface layers. The results indicated that by increasing of molybdenum concentration in hardface layer, M6C and M7C3 carbides were appeared in the microstructure. Moreover, by increasing the number of hardfaced layers and reducing dilution, the concentration of alloying elements, and the carbides coarser increased at microstructure. Also by increasing the percentage of the molybdenum the hardness of layers increased up to the 61 HRC and 1540 Vickers at the three-pass. In addition by increasing the number of passes the wear resistance of the hardfaced layers increased.

Investigation on Microstructure and Wear Resistance of the Plain Carbon Steel Hardfaced by the Fe-Cr-C Electrodes Containing Mo, W, V Elements Keywords:

Hardfacing , SMAW , complex carbide , Fe-C-Cr

Investigation on Microstructure and Wear Resistance of the Plain Carbon Steel Hardfaced by the Fe-Cr-C Electrodes Containing Mo, W, V Elements authors

M.R. Khanzadeh GharahShiran

Center for Advanced Engineering Research, Majlesi Branch, Islamic Azad University, Isfahan, Iran.

H. Bakhtiari

Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran.

A. Dadvar

Department of Materials Engineering, Bandarabbas Branch, Islamic Azad University, Bandarabbas, Iran.

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