Dewei Deng, Junyu Wang, Fanmin Meng, Hongming Wan, Qi Sun, Yong Zhang. Laser Remelting Effect on Casting and CMT Surfacing Babbitt Metal Microstructure[J]. Laser & Optoelectronics Progress, 2023, 60(15): 1514010
- Laser & Optoelectronics Progress
- Vol. 60, Issue 15, 1514010 (2023)
Fig. 1. Babbitt sample. (a) (b) Babbitt metal of casting; (c) (d) Babbitt metal of CMT surfacing
Fig. 2. Laser remelting equipment
Fig. 3. Sample preparation process
Fig. 4. Surface and interface microstructure of Babbitt metal. (a) (b) Babbitt metal of casting; (c) (d) Babbitt metal of CMT surfacing
Fig. 5. SEM morphology of cross-section of Babbitt metal specimens. (a) (b) Babbitt metal of casting;(c) (d) Babbitt metal of CMT surfacing
Fig. 6. Curves of element diffusion in Babbitt metal interface. (a) Babbitt metal of casting; (b) Babbitt metal of CMT surfacing
Fig. 7. Surface morphology of Babbitt metal after laser remelting
Fig. 8. Microstructure of Babbitt metal of casting after laser remelting. (a)-(e) Sample 1#-5#
Fig. 9. Microstructure of Babbitt metal of CMT surfacing after laser remelting. (a)-(e) Sample 6#-10#
Fig. 10. SEM morphology of Babbitt metal. (a) Babbitt metal of casting; (b) (c) Babbitt metal of casting after laser remelting (laser power is 500 W); (d) Babbitt metal of CMT surfacing; (e) (f) Babbitt metal of CMT surfacing after laser remelting (laser power is 300 W and 500 W)
Fig. 11. Histogram of Babbitt hardness
Fig. 12. Hardness change curves of interface. (a) Babbitt metal of casting; (b) Babbitt metal of CMT surfacing
Fig. 13. Hardness curves of Babbitt metal after laser remelting
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Table 1. Chemical composition of Sn-11Sb-6Cu
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Table 2. Element composition of EDS point scanning
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Table 3. Laser remelting parameters of 1#-10# Babbitt alloy samples
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