Fig. 1. Schematic of SLM forming

Fig. 2. Tensile part of TC11 titanium alloy formed by SLM

Fig. 3. XRD pattern of TC11 titanium alloys formed by SLM

Fig. 4. Microstructure of deposited TC11 titanium alloy formed by SLM. (a) Macro morphology; (b) OM of microstructure; (c) SEM of microstructure

Fig. 5. Microstructure of TC11 titanium alloy formed by SLM under different heating temperature. (a) OM image at 850 ℃/4 h; (b) OM image at 950 ℃/4 h; (c) SEM image at 850 ℃/4 h; (c) SEM image at 950 ℃/4 h

Fig. 6. Microstructure of TC11 titanium alloy formed by SLM under different holding time. (a) 950 ℃/2 h; (b) 950 ℃/1 h

Fig. 7. Microhardness of TC11 titanium alloy formed by SLM under different heat treatment process

Fig. 8. Stress-strain curves of TC11 titanium alloy formed by SLM under different heat treatment process

Fig. 9. Fracture morphologies of deposited samples. (a) Macro fracture; (b) micro fracture

Fig. 10. Fracture morphologies of annealed samples. (a) Macro fracture; (b) micro fracture