Laser cladding is widely used in various metal parts as an advanced technology.In this paper,the properties of laser coated Stellite alloys are reviewed in detail,and the research progress on Stellite alloys at home and abroad is reviewed in detail.The analysis covered Stellite alloy material systems,manufacturing process parameters and their applications in industry.In addition,the microstructure and properties of various cladding layers are analyzed in detail,and the key challenges of laser cladding cobalt-based alloys are described.The current research vacancies are combed and the possible future research trends are discussed.
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