Shengyuan Lei, Zhimin Cai, Xincheng Jiang, Haili Huang, Yifei Dai, Weizhou Li. Effect of Energy Density on Structure and Properties of a Laser Cladding Molybdenum Layer[J]. Laser & Optoelectronics Progress, 2022, 59(5): 0531001
- Laser & Optoelectronics Progress
- Vol. 59, Issue 5, 0531001 (2022)
Fig. 1. Microscopic appearance of molybdenum powder
Fig. 2. Surface morphology of cladding layer under different energy densities. (a)(d) 3.33 J/mm2; (b)(e) 4.44 J/mm2; (c)(f) 5.56 J/mm2; (g)(j) 6.67 J/mm2; (h)(k) 7.78 J/mm2; (i)(l) 8.90 J/mm2
Fig. 3. Microstructure of specimen section under different energy densities
Fig. 4. Distribution of mass fraction of molybdenum at five locations under different energy densities
Fig. 5. XRD pattern of cladding layer surface under different energy densities
Fig. 6. Crack rate of cladding layer under different energy densities
Fig. 7. Hardness of cladding layers prepared under different energy densities
Fig. 8. Dry friction curves under different energy densities
Fig. 9. Wear loss and wear rate under different energy densities
Fig. 10. Wear surface morphologies of each specimen
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Table 1. Experimental parameters
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Table 2. Element content of each region
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