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首页> 外文期刊>Surface & Coatings Technology >The influence of metal surface topography on ablation behavior during intense pulsed ion beam irradiation
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The influence of metal surface topography on ablation behavior during intense pulsed ion beam irradiation

机译：金属表面形貌对强脉冲离子束照射期间消融行为的影响

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摘要

As a flash heat source, intense pulse ion beam (IPIB) has extensive applications in material surface modification. The ablation effect during IPIB irradiation on target can impact the results of material modification. Therefore, the understanding of ablation mechanism is of great significance for IPIB application. In this work, to investigate the influence mechanism of surface topography on ablation behavior, pure zinc targets with different surface roughness were bombarded by IPIB with various energy densities at TEMP-4M accelerator. The experiments results showed that the ablation mass increased with the surface roughness increasing. Combining Monte Carlo method and finite element method, a heat conduction model was constructed to describe the ablation process of zinc target with different surface roughness. The simulation results agreed with the experiments, and the mechanism of ablation influenced by the surface topography was proposed.
机译：作为闪蒸热源，强烈的脉冲离子束（IPIB）在材料表面改性中具有广泛的应用。 IPIB辐照过程中的消融效果会影响材料改性的结果。 因此，对消融机制的理解对IPIB应用具有重要意义。 在这项工作中，为了研究表面形貌对消融行为的影响机理，通过IPIB轰击具有不同表面粗糙度的纯锌靶，在TEMP-4M加速器处具有各种能量密度。 实验结果表明，消融质量随着表面粗糙度的增加而增加。 结合蒙特卡罗方法和有限元方法，构建了一种热传导模型，描述了不同表面粗糙度的锌靶的消融过程。 提出了仿真结果，提出了实验，以及受表面形貌影响的消融机制。

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