An Overview on Enhancing Materials’ Tribological and Mechanical Characteristics by Using Gas Metal Arc Weld Hardfacing

Due to outstanding mechanical characteristics and corrosion resistance, gas metal arc weld (GMAW) hardfacing is popular in both industry and research domains and also contributes to extending the life of machine components in the manufacturing sector. It is described as a method for creating a thick coating on structural materials with relatively poor qualities and a low cost, referred to as substrate materials, to get the required surface attributes by utilising welding procedures. The weld hardfacing assists in two crucial ways in the improvement of material characteristics: first, it improves features of the material that depend on the surface, such as corrosion and wear resistance. Second, characteristics like toughness, durability, and others that rely on the mass. Numerous sectors, including chemical, mining, power plants, and many more, may benefit from it. This article reviews several studies that have been done so far on various substrates to improve the microstructure, prevent corrosion, and improve mechanical characteristics in the context of gas metal arc weld hardfacing. The findings of this work will be helpful to current and future researchers as well as to other industries utilising weld hardfacing techniques.