Miao Qu, Sha Yan. Dependence of tungsten melting and resolidification on pulse parameters under transient heat flow[J]. High Power Laser and Particle Beams, 2022, 34(12): 126002
- High Power Laser and Particle Beams
- Vol. 34, Issue 12, 126002 (2022)
Fig. 1. SEM images and diagram of tungsten under compressed plasma flow (CPF) single pulse irradiation with pulse width of 0.1 ms
Fig. 2. VCD diagram of tungsten cross section under CPF single pulse irradiation with pulse width of 0.1 ms
Fig. 3. SEM images of solidified droplet and stripping structure on tungsten under CPF single pulse irradiation with energy density of 1.54 MJ/m2 and pulse width of 0.1 ms
Fig. 4. SEM images and diagram of tungsten irradiated by 30 IPEB pulses with energy density of 3.82 MJ/m2 and pulse width of 5 ms
Fig. 5. The cross-sectional temperature distribution of tungsten at 5 ms after IPEB single pulse irradiation with energy density of 3.82 MJ/m2 and pulse width of 5 ms
Fig. 6. The evolution of surface temperature with time at the center of irradiation area under 1-10 pulses of IPEB at 3.82 MJ/m2 energy density and 5 ms pulse width
Fig. 7. Distribution of temperature at the center of irradiation area with depth under 1-10 pulses of IPEB at 3.82 MJ/m2 energy density and 5 ms pulse width
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Table 1. The calculated thermal characteristics of tungsten irradiated by two kinds of pulse beams with pulse width of 5 ms and 0.1 ms
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