The Investigation on Wear Resistance of Fe-Based Alloy Coating by Argon Arc Cladding

Abstract:

By argon arc cladding technology, a Fe-based alloy coating was prepared on the surface of Q235 steel. The microstructure of the cladding coating was investigated by optical microscope (OM) and scanning electron microscope(SEM). The microhardness and wear resistance performance of the coating were tested by microhardness tester and friction-wear tester. The results show that the alloy coating with martensite, alloy solid solution and (Cr, Fe) 7C3/Fe3C/ Fe2B compounds is prepared on the surface of Q235 steel, the microhardness of the coating reaches as high as 600 HV and the wear resistance of the coating is about 8 times higher than that of Q235 steel substrate. When deposited a wear-resistant layer on the surface of mild steel , the high plasticity and ductility are preserved as well as the hardness and wear resistance of the cladding layer are improved greatly.

• Periodical: Applied Mechanics and Materials (Volumes 217-219)
• Pages: 1247-1250
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.217-219.1247
• Online since: November 2012
• Authors: Guo Lin Guo, Yang Li
• Keywords: Argon Arc Cladding, Microhardness, Microstructure, Wear Resistance

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