Numerical analysis of ablation plasma produced by pulsed ion beam for various solid targets

Buttapeng, Chainarong

doi:10.1016/j.vacuum.2009.06.041

Cited by 5 publications

(4 citation statements)

References 6 publications

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“…Supposing the ablation plasma was in local thermal equilibrium with the lattice at the surface region, the lattice with temperature of 10 4 K would induced the ablation plasma with velocity of 2.3 km/s. According to the numerical results of Buttapeng [10] and the experimental data obtained by Yatsui et al [11][12][13], the velocity of ablation plasma caused by HIPIB was in the range of 0.7 to 15 km/s which is consistent with the results of electronic stopping and the electron-phonon interactions theory. For HIPIB irradiated on Mg alloys, the high lattice temperature in the initial several picoseconds will intensively change the state of irradiated magnesium alloys surface and considerably affect the following evolution.…”

supporting

confidence: 86%

The initial stage of surface modification of magnesium alloys by high intensity pulse ions beam

Liu

Zhang

2016

Nuclear Instruments and Methods in Physics Research Section B:

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The initial stage of high intensity pulsed ion beam irradiated magnesium alloys was studied by MD simulation. Specimens containing Mg 17 Al 12 precipitation were modeled to investigate the evolution of magnesium alloys during several picoseconds after a high-energy ion impacting. It was found that the Mg 17 Al 12 precipitation has little effects on the kinetic energy evolution in the heat zone, but considerable effects on strength of kinetic energy peak moving to the deep matrix and on the surface morphology of the magnesium alloy at thermal equilibrium state. The thickness of the heat zone is independent on the temperature of surface region.

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supporting

confidence: 86%

The initial stage of surface modification of magnesium alloys by high intensity pulse ions beam

Liu

Zhang

2016

Nuclear Instruments and Methods in Physics Research Section B:

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“…The ion beam energy deposition is expressed by the classical theory that takes the stopping power (S) into account. [6][7][8][9][10] The real gas equation of state from a standardized computer-based library of tables for the thermodynamic properties of materials (SESAME Equation-of-State EOS) is used. 14,15) Here, the interpolation between the following equation and SESAME data for solid and liquid states, and introduce the ideal gas equation of state in another form as…”

Section: Numerical Modelmentioning

confidence: 99%

“…In the previous studies, [5][6][7] the standard finite different method for Lagrange coordinates 5,6,8,9) was used. However, in the current study, the CIP method for Euler coordinates 10) is employed in order to investigate the plasma production and acceleration mechanism by ion beam irradiation.…”

Section: Numerical Modelmentioning

confidence: 99%

“…If the concept is to be used in practice, the distance from which the Al thin foil is irradiated with a pulsed ion beam should be adjusted. The reason why the Al thin foil is selected is that, among the experimented solid materials, such as Ag, Au, Cu, and Pb, 8) it shows the highest flyer speed as well as it is relatively inexpensive for the experiment and is commercially available.…”

Section: Introductionmentioning

confidence: 99%

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Enhanced Flyer Acceleration by Varying the Ion Beam–Plasma Interaction Field

Rungsirathana

Rungsetthaphat

Azuma

et al. 2012

Jpn. J. Appl. Phys.

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This paper presents a method for enhancing the ablation plasma production and the flyer velocity for flyer acceleration. A significant approach introduced is to optimize the interaction field of the ablation plasma and the Al target. To do so, it is acceptable to adjust the distance of ion beam irradiation. A one-dimensional hydrodynamic model is used in the calculations. The cube-interpolated propagation (CIP) method is used to describe the ablation plasma production and the acceleration mechanism. In the calculations, a single-pulsed ion beam with a total energy density of 120 J/cm2 is used. The interaction field (ion beam irradiation distance) that varies from 50 to 1000 µm is fixed for the calculations. At the interaction field of 50 µm, the flyer velocity of 2 km/s is calculated, while the value of 1.3 km/s is obtained at the distance of 400 µm. The results show that the closer the interaction field (distance of ion beam irradiation), the higher the flyer velocity obtained. In addition, the results reveal that the interaction field directly affects the amount of the ablation plasma produced and the flyer momentum.

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