Quanwei Cui, Wenlei Sun, Yong Huang, Haibo Huang. Experimental Study on Surface Laser Cladding Based on Spot Control Technology[J]. Laser & Optoelectronics Progress, 2020, 57(17): 171404
- Laser & Optoelectronics Progress
- Vol. 57, Issue 17, 171404 (2020)
Fig. 1. Surface part
Fig. 2. Laser trajectory and interpolation points
Fig. 3. Simulated beam trajectories by CIMCO software
Fig. 4. Parts to be cladding with different defocus amounts. (a) Defocus is 5 mm; (b) defocus is 30 mm
Fig. 5. Cladding effect at defocus of 5 mm
Fig. 6. Cladding effect at defocus of 30 mm
Fig. 7. Low magnification SEM photos of four samples. (a) No. 1; (b) No. 2; (c) No. 3; (d) No. 4
Fig. 8. Microstructure of four samples. (a) No. 1; (b) No. 2; (c) No. 3; (d) No. 4
Fig. 9. Microhardness of cladding layer corresponding to different space angles
Fig. 10. Microhardness in different areas
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Table 1. Coordinates of interpolation points are verified by the change of spot area
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Table 2. Chemical composition of the Q235 steelunit: %
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Table 3. Chemical composition of the Ni50 powderunit: %
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Table 4. Thickness of the cladding layer corresponding to different space angles
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