School of Materials Science and Engineering;
Southeast University;
Jiangsu Key Laboratory of Advanced Metallic Materials;
Nanjing 211189;
China;
Nanjing Cham lion Laser Technology Co.;
Ltd;
Nanjing 210039;
China;
selective laser melting; defect; 316L stainless steel; AlSi10Mg; Inconel 718; geometrical characteristics; formability;