Jingfa Lei, Yongsheng Ge, Tao Liu, Wei Bai. Research on Dynamic Mechanical Properties of 316L Stainless Steel Processed Using Selective Laser Melting[J]. Laser & Optoelectronics Progress, 2021, 58(23): 2314009
- Laser & Optoelectronics Progress
- Vol. 58, Issue 23, 2314009 (2021)
Fig. 1. SLM 316L stainless steel powders. (a) Morphologies; (b) particle size distribution
Fig. 2. Forming process of SLM 316L stainless steel
Fig. 3. Physical drawing of 316L stainless steel. (a) SLM 316L; (b) cold-rolled 316L
Fig. 4. SHPB experimental device
Fig. 5. Stress-strain curves. (a) Quasi-static state; (b) dynamic state
Fig. 6. Yield strength of materials at different strain rates
Fig. 7. Micro morphology of sample longitudinal section. (a) Traditional 316L stainless steel; (b) SLM 316L stainless steel
Fig. 8. Micro morphology of sample cross section. (a) Traditional 316L stainless steel; (b) SLM 316L stainless steel
Fig. 9. Parameter calibration. (a) Quasi-static fitting curve; (b) dynamic fitting curve
Fig. 10. Comparison between the prediction results using the basic J-C model and experimental data
Fig. 11. Fitting relationship between c and
Fig. 12. Comparison between the prediction results using modified J-C model and experimental data
Fig. 13. Correlation between the experimental and predicted flow stress values. (a) Original J-C model; (b) modified J-C model
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Table 1. Chemical components of 316L stainless powder
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