Research Status of Electromagnetic Field-Assisted Laser Cladding Technology

Laser cladding technology, renowned for its superior surface modification capabilities, is extensively utilized across aerospace, automotive, energy, chemical, metal products, and other heavy industrial sectors. However, issues such as porosity, cracks, and the non-uniformity of the cladding layer's composition and microstructure significantly hinder the advancement of this technology. Therefore, improving and enhancing the quality of the cladding layer is of paramount research importance. In recent years, there has been a growing body of research on the use of external physical fields to assist laser cladding. This research has expanded beyond the application of single physical fields to include the integration of electromagnetic fields, electromagnetic ultrasonic fields, and other coupled physical fields, which have effectively addressed the current challenges faced by laser cladding technology. This paper provides a comprehensive review of the progress made in the field of electromagnetic field-assisted laser cladding, based on an introduction to the principles and mechanisms of electromagnetic field assistance.