Wei Guo, Yapu Zhang, Rongxia Chai. Numerical Simulation and Experimental Study of Single-Track Laser Cladding of 304 Stainless Steels[J]. Laser & Optoelectronics Progress, 2019, 56(9): 091401
- Laser & Optoelectronics Progress
- Vol. 56, Issue 9, 091401 (2019)
Fig. 1. Schematic of laser cladding process
Fig. 2. Laser cladding. (a) Schematic of single-track cladding; (b) single-track macro-morphologies
Fig. 3. Temperature field distributions (up) and macroscopic cross-sectional diagrams (down) under different laser powers when laser scanning speed is 13 mm/s. (a)(e) 2100 W; (b)(f) 2300 W; (c)(g) 2500 W; (d)(h) 2700 W
Fig. 4. Temperature field distributions (up) and macroscopic cross-sectional diagrams (down) under different laser scanning speeds when laser power is 2500 W. (a)(e) 7 mm/s; (b)(f) 10 mm/s; (c)(g) 13 mm/s; (d)(h) 16 mm/s
Fig. 5. Microstructures in middle of cladding layers under different laser powers when laser scanning speed is 13 mm/s. (a) 2100 W; (b) 2300 W; (c) 2500 W; (d) 2700 W
Fig. 6. Microstructures in middle of cladding layers under different laser scanning speeds when laser power is 2500 W. (a) 7 mm/s; (b) 10 mm/s; (c) 13 mm/s; (d) 16 mm/s
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Table 1. Chemical compositions of 27SiMn steel (mass fraction, %)
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Table 2. Chemical compositions of 304 stainless steel powder (mass fraction, %)
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Table 3. Virtual circle sizes under different laser powers when laser scanning speed is 13 mm/s
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Table 4. Virtual circle sizes under different laser scanning speeds when laser power is 2500 W
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