Fig. 1. Schematic of SLM technology

Fig. 2. Cross-sectional images of Ti components formed by SLM under different scanning speeds. (a) 100 mm·s^-1; (b) 200 mm·s^-1; (c) 300 mm·s^-1; (d) 400 mm·

Fig. 3. XRD spectra of Ti components formed by SLM under different diffraction angles. (a) 2θ=38.45°; (b) 2θ=40.18°^[28]

Fig. 4. Microstructures of Ti components formed by SLM under different scanning speeds. (a) 100 mm·s^-1; (b) 200 mm·s^-1; (c) 300 mm·s^-1; (d) 400 mm·

Fig. 5. Microstructures of CP-Ti samples formed by SLM (a)(b) without and (c)(d) with SMF

Fig. 6. (a)(b) Optical microscopy images, (c)(d)scanning electron microscopy images, (e)(f) orientation maps and (g)(h) inverse pole figures of fracture section under different conditions^[31]

Fig. 7. Morphologies of Ti6Al4V powder. (a) 500×; (b) 3000×

Fig. 8. Melting and solidification processes under different laser scanning speeds^[43]. (a) 5 mm·s^-1; (b) 10 mm·s^-1; (c) 25 mm·s^-1; (d) 50 mm·s^-1; (e) 100 mm·s^-1

Fig. 9. Influence of scanning strategy on microstructures^[53]. (a)(b)(c)(d) Unidirectional scanning; (e)(f)(g)(h) cross scanning

Fig. 10. Microstructures of Ti6Al4V specimens formed by SLM with laser energy input of (a) 0.5E₀, (b) E₀ and (c) 2E054

Fig. 11. (a) Schematic of support structure; (b) schematic of support structure with A_s/A_p=0.25^[63]

Fig. 12. Microstructures of Ti6Al4V components formed by SLM ^[63]. (a) A_s/A_p=0.125; (b) A_s/A_p=0.25; (c) A_s/A_p=0.4; (d) A_s/A_p=1

Fig. 13. Structural components fabricated by SLM. (a) CP-Ti; (b) TiTa

Fig. 14. (a) Individual bone plate after surface treatment; (b) matching between bone plate and pelvic model

Fig. 15. (a) Formed part and (b) model of gradient fusion cage section

Fig. 16. Ti6Al4V sound absorbers fabricated by SLM. (a) Sample A; (b) sample B

Fig. 17. Samples on substrate

Fig. 18. Titanium alloy parts fabricated by SLM