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Advancement in Ferrite-Based Alloy Coatings by Laser Cladding

Fe-based alloy is widely used for its good wear resistance and high performance-to-price ratio compared with other alloys. Laser cladding is a kind of valid method of metal surface modification, which has been successfully employed to modify the microstructure and/or composition of the near surface region to improve the wear, corrosion and oxidation resistance of a ferrite-based alloy component. In this paper, the recent research status in laser clad ferrite-based alloys is reviewed. The rules of designing laser cladding materials are introduced. The main problems and the solutions of the laser cladding materials application are analysized. The development tendency of laser cladding is forecast.