Zhenhua Li, Yuhua Deng, Bibo Yao, Baoren Teng, Hao Li. Effect of Laser Scan Speed on Pool Size and Densification of Selective Laser Melted CoCr Alloy Under Constant Laser Energy Density[J]. Laser & Optoelectronics Progress, 2022, 59(7): 0736001
- Laser & Optoelectronics Progress
- Vol. 59, Issue 7, 0736001 (2022)
Fig. 1. Simulated melt pool width under different speeds. (a) 57.5 W/237.5 mm·s-1; (b) 115 W/475 mm·s-1; (c) 230 W/950 mm·s-1; (d) 290 W/1200 mm·s-1
Fig. 2. Simulated melt pool depth under different speeds. (a) 57.5 W/237.5mm·s-1; (b) 115 W/475 mm·s-1; (c) 230 W/950 mm·s-1; (d) 290 W/1200 mm·s-1
Fig. 3. Micrographs of ZOY surface. (a) 230 W/950 mm·s-1; (b) 290 W/1200 mm·s-1
Fig. 4. Micrographs of unetched samples. (a) 230 W/950 mm·s-1; (b) 290 W/1200 mm·s-1
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Table 1. Chemical composition of Co-Cr alloy
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