Liu Shifeng, Li Yunzhe, Zhang Zhichang, Zhang Guangxi, Yang Xin, Wang Yan. Study on Effect of Selective Laser Melting on Formability of GCr15 High Carbon Steel[J]. Laser & Optoelectronics Progress, 2020, 57(21): 211402
- Laser & Optoelectronics Progress
- Vol. 57, Issue 21, 211402 (2020)
Fig. 1. Micromorphology of GCr15 powder. (a) Low magnification; (b) high magnification
Fig. 2. Size distribution of GCr15 powder
Fig. 3. Effect of laser power on relative density of GCr15 samples
Fig. 4. Metallographic diagrams of GCr15 samples at different laser powers. (a) 70 W; (b) 85 W; (c) 100 W
Fig. 5. Relative density of GCr15 samples at different scanning speeds
Fig. 6. Metallographic diagrams of GCr15 samples at different scanning speeds. (a) 250 mm/s; (b) 300 mm/s; (c) 350 mm/s; (d) 400 mm/s
Fig. 7. Result graph. (a) Relationship between volume energy density and density; (b) volume energy density is fitted linearly with the density
Fig. 8. Microstructure of GCr15 sample. (a) Low magnification; (b) high magnification
Fig. 9. X-ray diffraction patterns of GCr15 samples at different powers
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Table 1. Chemical composition of GCr15 powder
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Table 2. Energy density under different parameters unit: J/mm3
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Table 3. Density of samples under different parametersunit: %
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Table 4. [in Chinese]
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