Guang Yang, Kaibo Cheng, Shuo Zhao, Da An. Prediction and Model Establishment of Inclined Surface Roughness of Laser Selective Melting Formed 316L Stainless Steel[J]. Chinese Journal of Lasers, 2023, 50(20): 2002301
- Chinese Journal of Lasers
- Vol. 50, Issue 20, 2002301 (2023)
Fig. 1. 316L stainless steel powder. (a) Particle size distribution; (b) SEM microscopic image
Fig. 2. Printed samples in the experiment
Fig. 3. Schematic diagram of laser selective melting principle
Fig. 4. Schematic diagram of the step effect of the downward-inclined surface
Fig. 5. Schematic diagrams of equivalent sticky powder. (a) Cross-sectional drawing; (b) top view; (c) three-dimensional drawing
Fig. 6. Warpage calculation schematic
Fig. 7. Comparison of measured and model predicted roughness
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Table 1. Chemical composition of 316L stainless steel powder
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Table 2. Tangent equation and intersection expressions under different tilt angles
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Table 3. Measured roughness of downward-inclined surface
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