Fig. 1. Characteristics of pure Zn powder. (a) SEM morphology; (b) particle size distribution

Fig. 2. Pure Zn samples formed by SLM. (a) Dimensional diagram of tensile specimen; (b) Zn sample formed along horizontal plane; (c) Zn sample formed along vertical plane

Fig. 3. Microstructures of Zn samples formed by SLM on different planes. (a)(b) OM images and (c) SEM image on horizontal plane; (d)(e) OM images and (f) SEM image on vertical plane

Fig. 4. EBSD results of Zn samples formed by SLM on different planes. (a) Orientation map and (c) grain size distribution map of EBSD grains on vertical plane; (b) orientation map and (d) grain size distribution map of EBSD grains on horizontal plane

Fig. 5. Pole and inverse pole figures of Zn samples formed by SLM on different planes. (a) Inverse polar figures and (b) polar figure on vertical plane; (c) inverse polar figures and (d) polar figure on horizontal plane

Fig. 6. Grain boundary misorientation angles of Zn samples formed by SLM on different planes. (a) Distribution and (b) statistical diagram of grain boundary misorientation angle on vertical plane; (c) distribution and (d) statistical diagram of grain boundary misorientation angle on horizontal plane

Fig. 7. KAM analysis results of Zn samples formed by SLM on different planes. (a) Distribution and (b) corresponding histogram of KAM on vertical direction; (c) distribution and (d) corresponding histogram of KAM on horizontal plane

Fig. 8. Tensile properties of Zn samples formed by SLM. (a) Stress-strain curves; (b) strain hardening rate curves; (c) ultimate strength, yield strength, and elongation; (d) comparison of mechanical properties of different Zn samples

Fig. 9. Tensile fracture morphologies of Zn samples formed by SLM on horizontal and vertical planes. (a)(b) Vertical plane; (c)(d) horizontal plane