Fig. 1. Morphology of 316L stainless steel powder

Fig. 2. Schematic of sample printing direction and scanning strategy

Fig. 3. Schematics of sample cutting. (a) XOY plane; (b) YOZ plane

Fig. 4. Metallographic diagrams after coloring treatment. (a) XOY plane; (b) YOZ plane

Fig. 5. XRD patterns of SLMed and forged 316L SS samples

Fig. 6. SEM microstructures of SLMed 316L SS. (a) XOY plane; (b) YOZ plane

Fig. 7. EBSD diagrams and inverse pole diagrams of 3D printed parts

Fig. 8. Grain size distributions in SLMed 316L SS. (a) XOY plane; (b) YOZ plane

Fig. 9. OCP curves of SLMed and forged 316L SS specimens in H₂SO₄ solution

Fig. 10. Potentiodynamic polarization curves of forged and SLMed 316L SS specimens in H₂SO₄ solution

Fig. 11. Impedance spectra of forged and SLMed 316L SS specimens in H₂SO₄ solution

Fig. 12. Electrostatic potential plots of forged and SLMed 316L SS specimens in H₂SO₄ solution

Fig. 13. SEM morphologies of surface after sample corrosion. (a) SLMed sample on XOY plane; (b) SLMed sample on YOZ plane; (c) forged sample