Journal of Applied Optics, Volume. 46, Issue 3, 604(2025)
Time-varying temperature field characteristics of TC4 titanium alloy by Gaussian-pulsed laser ablation
Figures & Tables(12)
Fig. 4. Three-dimensional simulation of temperature field of TC4 titanium alloy disc with Gaussian pulsed laser ablation at 1 kW and 2.5 kW laser power, respectively
Fig. 5. Time-varying distribution of temperature field of TC4 titanium alloy disc at different powers
Fig. 6. Three-dimensional simulation of temperature field of TC4 titanium alloy disc irradiated by Gaussian pulsed laser under different spot radii
Fig. 7. Time-varying distribution of temperature field of TC4 titanium alloy disc under different spot radii
Fig. 8. Time-varying distribution of temperature field of TC4 titanium alloy disc under different pulse widths
Fig. 9. Distribution of thermal deformation of TC4 titanium alloy disc
Table 1. Temperature changes of core temperature of ignition point with action time of different power lasers
K View tableView in ArticleTable 1. Temperature changes of core temperature of ignition point with action time of different power lasers
K Duration of action/ms Laser power/kW 1.00 1.50 2.00 2.50 2.0 428.23 487.77 558.93 622.91 4.0 552.82 676.89 797.94 916.44 6.0 667.99 843.90 1014.20 1180.00 8.0 774.75 996.44 1209.80 1416.60
Table 2. Temperature changes of core temperature of ignition point with action time of different spot radii
K View tableView in ArticleTable 2. Temperature changes of core temperature of ignition point with action time of different spot radii
K Duration of action/ms Spot radius/mm 1.50 2.00 2.50 5.00 2.00 764.86 558.93 452.32 325.88 4.00 1180.70 797.94 598.09 357.16 6.00 1550.80 1014.20 732.17 387.71 8.00 1880.50 1209.80 855.56 416.54
Table 3. Temperature changes of core temperature of ignition point with action time of different laser pulse widths
K View tableView in ArticleTable 3. Temperature changes of core temperature of ignition point with action time of different laser pulse widths
K Duration of action/ms Laser pulse width/ms 5.0 8.0 10.0 20.0 2.0 558.93 558.93 558.93 558.93 5.0 908.75 908.75 908.75 908.75 8.0 — 1209.80 1209.80 1209.80 10.0 — — 1386.10 1386.10 15.0 — — — 1711.20
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Long LI, Zhenglong HE, Xinyang LI, Jianghao NING, Yuxiao JI, Hengxin YANG, Pu SHI, Chunling ZHANG. Time-varying temperature field characteristics of TC4 titanium alloy by Gaussian-pulsed laser ablation[J]. Journal of Applied Optics, 2025, 46(3): 604
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Received: Apr. 25, 2024
Accepted: --
Published Online: May. 28, 2025
The Author Email: Long LI (lilong@xauat.edu.cn)
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