Guoye Jiang, Min Li, Ping Xu, Ming Pang. Asymmetric Macro-Morphologies Formation Mechanism and Microscopic Characteristics of Co-Based Alloys by Laser Cladding[J]. Laser & Optoelectronics Progress, 2019, 56(8): 081401
- Laser & Optoelectronics Progress
- Vol. 56, Issue 8, 081401 (2019)
Fig. 1. Schematic of microhardness measurement path
Fig. 2. Upper surface macro-morphologies of laser cladded Co-based alloy under different defocus amounts. (a) D=110 mm; (b) D=130 mm; (c) D=150 mm
Fig. 3. Cross-sectional pattern of specimen. (a) D=130 mm; (b) D=150 mm
Fig. 4. Schematic of cladding direction
Fig. 5. Cross-sectional microstructure of surface cladding layer
Fig. 6. Cross-sectional microstructure of internal cladding layer
Fig. 7. Flow trace of molten pool of laser cladding layer
Fig. 8. Longitudinal hardness distribution of laser cladding layer
Fig. 9. Transverse hardness distributions at different depths of cladding layer
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Table 1. Chemical compositions of Co-based powder
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