Lei Li, Jing Wang, Lei Huang, Hongyu Zheng, Yuanliang Zhao, Yongling Wu, Langping Wang. Simulation and Analysis of Temperature Field During Oxidation Layer Preparation on Titanium Alloy Using Infrared Laser[J]. Laser & Optoelectronics Progress, 2023, 60(17): 1714006
- Laser & Optoelectronics Progress
- Vol. 60, Issue 17, 1714006 (2023)
Fig. 1. Finite element model of titanium and mesh generation
Fig. 2. Temperature distribution on the surface during processing
Fig. 3. Temperatures of surface nodes perpendicular to the scanning path
Fig. 4. Temperature distribution along thickness
Fig. 5. Temperature distribution along vertical direction at the center of laser spot
Fig. 6. Surface morphology of titanium alloy after laser scanning
Fig. 7. Metallographic structure of titanium alloy in section direction after laser scanning
Fig. 8. Metallographic structure of partially transformed zone
Fig. 9. Surface temperature varies with time under different scanning rates
Fig. 10. Surface temperature and temperature distribution along thickness under different scanning rates. (a) Surface temperature distribution; (b) temperature distribution along thickness
Fig. 11. Surface morphology of titanium alloy and microstructure and composition of oxide layer under No.2 parameter. (a) Surface morphology of titanium alloy after laser scanning; (b) oxide layer on the surface; (c) energy spectrum results of the oxide layer
Fig. 12. Variation of surface node temperature with time at the spot under different parameters
Fig. 13. Temperature distribution along the thickness direction under different parameters
Fig. 14. Variation of surface node temperature at different scanning time intervals
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Table 1. Thermophysical properties of Ti6Al4V alloy[19]
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Table 2. Chemical composition of Ti6Al4V alloy
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Table 3. Laser processing parameters simulated by finite element
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