Shengqiang Xia, Jixing Cai, Xiaoyun Zhang, Chao Xin, Jingyi Li, Guangyong Jin. Numerical analysis of temperature field and stress field of fused silica irradiated by millisecond-nanosecond combined pulse laser[J]. Infrared and Laser Engineering, 2021, 50(S2): 20200415
- Infrared and Laser Engineering
- Vol. 50, Issue S2, 20200415 (2021)
Fig. 1. Geometric model of fused silica irradiated by millisecond-nanosecond pulse laser
Fig. 2. Temperature nephogram of fused quartz irradiated by millisecond-nanosecond pulse laser
Fig. 3. Center on material surface temperature changes with time
Fig. 4. Under different laser energy conditions, the radial temperature change of the material surface
Fig. 5. Relationship between melting radius and total energy of fused silica
Fig. 6. Relationship between the ratio of melting radius irradiated by combined pulse laser and millisecond pulse laser
Fig. 7. Radial stress trend of millisecond laser and combined pulse laser
Fig. 8. Axial stress trend of millisecond laser and combined pulse laser
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Table 1. Simulation thermodynamic parameters of fused quartz
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Table 2. Simulation parameters of millisecond-nanosecond pulse laser
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