Qing Li, Guorui Zhao, Xingchen Yan, Wenyou Ma, Hongya Yu, Min Liu. Mechanical Properties of Porous Ti-6Al-4V Titanium Alloys Fabricated by Selective Laser Melting[J]. Laser & Optoelectronics Progress, 2019, 56(1): 011403
- Laser & Optoelectronics Progress
- Vol. 56, Issue 1, 011403 (2019)
Fig. 1. Micro-morphology and size distribution of Ti-6Al-4V powder. (a) Morphology; (b) size distribution
Fig. 2. Octahedron model and sample. (a) Octahedron unit cell; (b) basic parameters of octahedron unit; (c) as-built sample model; (d) as-built sample
Fig. 3. Morphologies of porous Ti-6Al-4V alloys with different pore sizes
Fig. 4. Phase patterns of as-received powder and as-printed porous Ti-6Al-4V alloy
Fig. 5. Porous Ti-6Al-4V alloy. (a) Cross-section of strut; (b) microstructure
Fig. 6. Relationship between performance parameter and relative density. (a) Elastic modulus; (b) compressive strength
Fig. 7. (a) Compressive stress-strain curve and (b) fracture of porous Ti-6Al-4V alloy
Fig. 8. (a) Fracture site and (b) fracture morphology of porous Ti-6Al-4V alloy after compression test
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Table 1. Chemical compositions of Ti-6Al-4V powder (mass fraction, %)
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Table 2. Process parameters for fabrication of Ti-6Al-4V alloys by SLM
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Table 3. Parameters of porous Ti-6Al-4V alloy structures
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Table 4. Elastic modulus and compressive strength of porous Ti-6Al-4V alloy
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