Yan Shi, Kuiming Chen, Jia Liu, Lingyu Li, Zhiheng Jiang. Microstructure and Properties of Composite Coatings by Magnetic Field Assisted Laser Deposition[J]. Chinese Journal of Lasers, 2018, 45(11): 1102009
- Chinese Journal of Lasers
- Vol. 45, Issue 11, 1102009 (2018)
Fig. 1. Home made rotatory magnetic field equipment
Fig. 2. Schematic of magnetic field distribution. (a) Magnetic induction line distribution; (b) magnetic field distribution within workpiece
Fig. 3. Schematic of friction experiment
Fig. 4. Schematic of wetting angle measurement method
Fig. 5. Surface morphologies of deposition layers under different magnetic field rotating speeds
Fig. 6. Surface roughness of deposition layers under different magnetic field rotating speeds
Fig. 7. Changes of deposition layer under different magnetic field rotating speeds. (a) Melt height; (b) melt width
Fig. 8. Wetting angles of deposition layers under different magnetic field rotating speeds
Fig. 9. Cross-sectional micro-morphology of deposition layer under magnetic field free condition
Fig. 10. Cross-sectional micro-morphologies of deposition layers under different magnetic field rotating speeds. (a) 100 r·min-1; (b) 200 r·min-1; (c) 300 r·min-1; (d) 400 r·min-1; (e) 500 r·min-1; (f) 600 r·min-1
Fig. 11. XRD patterns of deposition layers under different magnetic field rotating speeds
Fig. 12. Element scanning map of deposition layer. (a) Morphology by SEM; (b) line scanning map of Fe and W elements; (c) area scanning map of W element
Fig. 13. Cross-sectional morphologies of deposition layer under magnetic field free condition by SEM. (a) Upper part; (b) middle-lower part
Fig. 14. Cross-sectional morphologies of deposition layers under magnetic field rotating speeds by SEM. (a) 100 r·min-1, upper part; (b) 100 r·min-1, middle-lower part; (c) 300 r·min-1, upper part; (d) 300 r·min-1, middle-lower part; (e) 600 r·min-1, upper part; (f) 600 r·min-1, middle-lower part
Fig. 15. Microhardness of deposition layers under different magnetic field rotating speeds
Fig. 16. Wear qualities of deposition layers under different magnetic field rotating speeds
Fig. 17. Wear morphologies of deposition layers under different magnetic field rotating speeds. (a) Without magnetic field; (b) 100 r·min-1; (c) 200 r·min-1; (d) 300 r·min-1; (e) 400 r·min-1; (f) 500 r·min-1; (g) 600 r·min-1
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Table 1. Chemical compositions of 304 stainless steel (mass fraction, %)
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Table 2. Chemical compositions of Fe106 powder (mass fraction, %)
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Table 3. Chemical compositions of Ni /WC powder (mass fraction, %)
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