Yansheng Yao, Jun Wang, Qingbo Chen, Chen Ding, Jianping Tang, Zhangsen Ge. Research Status of Defects and Defect Treatment Technology for Laser Additive Manufactured Products[J]. Laser & Optoelectronics Progress, 2019, 56(10): 100004
- Laser & Optoelectronics Progress
- Vol. 56, Issue 10, 100004 (2019)
Fig. 1. Flow chart of numerical simulation
Fig. 2. Growth mechanism of cracks
Fig. 3. Microstructural morphologies of 316L-nHA composites polished and corroded at different scanning velocities. (a) 316L SS, 250 mm·s-1; (b) 316L-5nHA, 250 mm·s-1; (c) 316L-10nHA, 250 mm·s-1; (d) 316L-5nHA, 300 mm·s-1; (e) 316L-5nHA, 400 mm·s-1; (f) 316L-10nHA, 350 mm·s-1
Fig. 4. Morphology after spheroidization
Fig. 5. Pore morphology
Fig. 6. Porosity of IN718 (SLM) after HIP processing at different temperatures and pressures[96]
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Table 1. Mechanical properties of titanium alloy TC4
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