Corrosion resistance and high temperature wear behavior of carbide-enhanced austenite-based surfacing layer prepared by twin-wire indirect arc welding

Author:

An QiORCID,Wen Yuxian,Matsuda Kenji,Xu Junyong,Wu DongtingORCID,Zou Yong

Abstract

Abstract Twin-wire indirect arc welding is a novel welding process. In this article, the anode wire was an austenite-based welding wire, and the cathode wire was an iron-based wear-resistant welding wire. Given that the two wires burn simultaneously in twin-wire indirect arc welding, a carbide-enhanced austenite-based surface layer was produced. The high-temperature wear resistance of the austenitic stainless steel was enhanced by the carbides. Results indicated enhancements in amount of reinforcing phase in the austenite-based surface layer with increasing of cathode wire feeding speed and the high-temperature friction coefficient decreased first and then increased. However, the corrosion resistance of austenite-based surfacing layer decreased slightly with increasing of amount of reinforcing phase. At low content of the reinforcing phase in the surface layer, the high-temperature wear behavior was dominated by oxidative adhesive wear, which changed to abrasive wear with the increase in the reinforcing phase.

Funder

National Natural Science Foundation of China

Shandong University

Publisher

IOP Publishing

Subject

Metals and Alloys,Polymers and Plastics,Surfaces, Coatings and Films,Biomaterials,Electronic, Optical and Magnetic Materials

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