Wei Guo, Kaikai Li, Rongxia Chai, Liping Zhang. Numerical Simulation and Experiment of Dilution Effect in Laser Cladding 304 Stainless Steel[J]. Laser & Optoelectronics Progress, 2019, 56(5): 051402
- Laser & Optoelectronics Progress
- Vol. 56, Issue 5, 051402 (2019)
Fig. 1. Schematic of laser cladding process
Fig. 2. SEM graph of 304 stainless steel powders
Fig. 3. Temperature field distributions of single cladding layer under different scanning speeds. (a) v=2 mm/s; (b) v=4 mm/s; (c) v=7 mm/s; (d) v=10 mm/s; (e) v=13 mm/s; (f) v=16 mm/s
Fig. 4. Cross sections of single 304 stainless steel cladding layer under different scanning speeds. (a) v=2 mm/s; (b) v=4 mm/s; (c) v=7 mm/s; (d) v=10 mm/s; (e) v=13 mm/s; (f) v=16 mm/s
Fig. 5. Schematic of single cladding layer cross-section
Fig. 6. Cross section sizes of single 304 stainless steel cladding layer under different scanning speeds
Fig. 7. Dilution ratio curves
Fig. 8. Schematic of positions for energy spectrum analysis
Fig. 9. Energy spectrum analysis for cladded sample prepared at scanning speed of 10 mm/s. (a) Sampling area A; (b) sampling area B; (c) sampling area C; (d) sampling area D; (e) sampling area E
Fig. 10. Mass fraction ratios of Fe to Cr at different sampling areas in cladding layers
Fig. 11. Schematic for position of microhardness testing
Fig. 12. Microhardness curves of cladding layers obtained under different scanning speeds
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