Ran Lin, Linsen Shu, Yue Dong, Candong Zhang. Effect of Laser Power and Scanning Speed on Microstructure and Properties of Cladding[J]. Laser & Optoelectronics Progress, 2021, 58(19): 1914004
- Laser & Optoelectronics Progress
- Vol. 58, Issue 19, 1914004 (2021)
Fig. 1. Fiber laser cladding equipment diagram
Fig. 2. Micrograph of FeCrNiSi powder
Fig. 3. Microstructures of FeCrNiSi alloy cladding layer on GCr15 steel. (a) Heat affected zone; (b) fusion transition zone; (c) the central area of the cladding layer; (d) the surface area of the cladding layer
Fig. 4. Microstructures of cladding layer of different laser powers. (a) 2400 W; (b) 2500 W; (c) 2600 W; (d) 2700 W
Fig. 5. Effect of laser power on dendrite spacing of laser cladding layer
Fig. 6. Microstructures of cladding layer at different scanning speeds. (a) 4 mm/s; (b) 5 mm/s; (c) 6 mm/s; (d) 7 mm/s
Fig. 7. Effect of the scanning speed of laser on the dendrite spacing of cladding layer
Fig. 8. Effects of laser parameters on the microhardness. (a) Laser power; (b) scanning speed
Fig. 9. Friction and wear properties of cladding layer at different scanning speeds. (a) Schematic of friction and wear; (b) friction coefficient curves of cladding layer at different scanning speeds; (c) the results of mass loss of debris
Fig. 10. Friction and wear properties of cladding layer at different scanning speeds. (a) v=5 mm/s; (b) v=6 mm/s; (c) v=7 mm/s
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Table 1. Laser cladding process parameters
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