Xiaoye Cai, Jiaqi Hu, Zonghui Cheng, Jie Zhang. Selective Laser Melting Technology Applied into Aircraft Air Inlet Protective Grilling[J]. Laser & Optoelectronics Progress, 2021, 58(17): 1714007
- Laser & Optoelectronics Progress
- Vol. 58, Issue 17, 1714007 (2021)
Fig. 1. Microstructure of TC4 alloy powder
Fig. 2. Direction schematic of samples
Fig. 3. Diagrammatic figure of protective grilling
Fig. 4. Microstructures of TC4 alloy formed by SLM. (a) Longitudinal section; (b) transverse section
Fig. 5. Microstructures of TC4 alloy after annealing. (a) Longitudinal section; (b) transverse section
Fig. 6. SEM images of specimen fractures. (a) Longitudinal as-printed sample; (b) transverse as-printed sample;（c）longitudinal as-annealed sample；（d）transverse as-annealed sample
Fig. 7. Practical picture of SLM formed protective grilling
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Table 1. Chemical composition of TC4 alloy powder
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Table 2. SLM forming parameters of titanium alloy
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Table 3. Tensile properties at room temperature of TC4 in different states
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Table 4. Tensile properties at high temperature of TC4 in different states
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Table 5. Measured dimensions of the grille's unit grids prepared via SLM process
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