Shuai Huang, Shaoqing Guo, Guohui Zhang, Biao Zhou, Taiqi Yan, Bingqing Chen, Xuejun Zhang. Microstructure and Impact Toughness of GH4169 Samples Fabricated by Selective Laser Melting[J]. Laser & Optoelectronics Progress, 2020, 57(5): 051405
- Laser & Optoelectronics Progress
- Vol. 57, Issue 5, 051405 (2020)
Fig. 1. Powder morphology of GH4169
Fig. 2. U-shaped impact specimen size with picture number of M2504-S038
Fig. 3. Processed samples
Fig. 4. Microstructure of GH4169 samples with different parameters
Fig. 5. Impact toughness at room temperature with different process parameters
Fig. 6. Fracture morphology of GH4169 impact toughness samples under different process parameters
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Table 1. Chemical composition of GH4169 powder
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Table 2. Parameters in the selective laser melting test
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