Guoye Jiang, Jinlei Xie, Ming Pang, Yanjiao Hu. Microstructure and Properties of Ni-Based WC Alloy by Laser Cladding of Compacted Graphite Cast Iron[J]. Laser & Optoelectronics Progress, 2020, 57(15): 151404
- Laser & Optoelectronics Progress
- Vol. 57, Issue 15, 151404 (2020)
Fig. 1. Macro-morphology of cross-section of cladding layer
Fig. 2. Distribution of WC particles in cladding layer. (a)(b)(c) Uppermost part of cladding layer; (d)(e)(f) middle upper part of cladding layer; (g)(h)(i) middle lower part of cladding layer; (j)(k)(l) bottom most heat-affected zone of near cladding layer
Fig. 3. Low-magnification SEM at left boundary of cladding layer
Fig. 4. High-magnification SEM at left boundary of cladding layer. (a) Enlarged view of box 1 in fig. 3 (1000×); (b) Fig. (a) enlarged view of box (2000×)
Fig. 5. High-magnification SEM at center of cladding layer
Fig. 6. Schematic of calibration points for EDS test
Fig. 7. Positions of hardness measurement
Fig. 8. Microhardness curves of coating. (a) Microhardness curves at position 1、2, and 6; (b) microhardness curves at position 3、4, and 5
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Table 1. Chemical composition of Ni60A alloy powder
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Table 2. Main element contents of experimental samples in different areas
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