Research progress on preparation of metal powder for 3D printing

3D printing is a new type of printing technology, its application is omnipresent in fields like space aviation, medical, automobile and military industry. As a key raw material for metal 3D printing, the quality of the metal powder largely determines the final quality of the product. The typical metal materials and the main preparation methods in the field of metal 3D printing were briefly expounded. Finally, research directions and application prospects of metal 3D print were discussed, the problems in the field of metal 3D printing were pointed out.