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首页> 外文期刊>Nuclear instruments and methods in physics research >Thermal field induced by intense pulsed ion beam and its possible application in thermal diffusivity measurement
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Thermal field induced by intense pulsed ion beam and its possible application in thermal diffusivity measurement

机译：强脉冲离子束诱导的热场及其在热扩散率测量中的可能应用

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摘要

As a type of flash heating source, intense pulsed ion beam (IPIB) can induce strong thermal effect in the near-surface region of the target. Compared with laser, the energy deposition efficiency of IPIB is significantly higher and is less dependent on the optical properties of the target. The range of ions in matter can be changed more flexibly by adjusting the accelerating voltage. This makes IPIB an ideal candidate for pulsed heating source of the flash method for the measurement of thermal diffusivity of materials. In present work, numerical verification of flash method with IPIB generated by magnetically insulated diode (MID) was carried out. By exploring the features of the induced thermal field, it is demonstrated that IPIB composed of protons and carbon ions with energy of several hundred keV and cross-sectional energy density of several J/cm2 can be used for the measurement of thermal diffusivity with flash method, and the principles of optimization in experimental parameters are discussed.
机译：作为一种快速加热源，强脉冲离子束（IPIB）可以在目标的近表面区域引起强烈的热效应。与激光相比，IPIB的能量沉积效率明显更高，并且与靶标的光学特性的依赖性也较小。通过调节加速电压，可以更灵活地改变物质中的离子范围。这使得IPIB成为用于测量材料热扩散率的脉冲法脉冲加热源的理想选择。在目前的工作中，对由磁绝缘二极管（MID）产生的IPIB闪光方法进行了数值验证。通过探索感应热场的特征，证明由质子和碳离子组成的能量为几百keV，截面能量密度为几J / cm2的IPIB可以用于闪蒸法测量热扩散率。 ，并讨论了实验参数优化的原理。

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  • 作者

    Xiao Yu; Wanying Huang; Jie Shen; Jie Zhang; Haowen Zhong; Xiaojun Cui; Guoying Liang; Xiaofu Zhang; Gaolong Zhang; Sha Yan; Gennady Efimovich Remnev; Xiaoyun Le;

  • 作者单位

    School of Physics and Nuclear Energy Engineering Beihang University, Beijing 100191, PR China,Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing 100191, PR China;

    School of Physics and Nuclear Energy Engineering Beihang University, Beijing 100191, PR China,Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing 100191, PR China;

    School of Physics and Nuclear Energy Engineering Beihang University, Beijing 100191, PR China,Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing 100191, PR China;

    School of Physics and Nuclear Energy Engineering Beihang University, Beijing 100191, PR China,Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing 100191, PR China;

    School of Physics and Nuclear Energy Engineering Beihang University, Beijing 100191, PR China,Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing 100191, PR China;

    School of Physics and Nuclear Energy Engineering Beihang University, Beijing 100191, PR China,Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing 100191, PR China;

    School of Physics and Nuclear Energy Engineering Beihang University, Beijing 100191, PR China,Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing 100191, PR China;

    School of Physics and Nuclear Energy Engineering Beihang University, Beijing 100191, PR China,Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing 100191, PR China;

    School of Physics and Nuclear Energy Engineering Beihang University, Beijing 100191, PR China,Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing 100191, PR China;

    Institute of Heavy Ion Physics, Peking University, Beijing 100871, PR China;

    Laboratory No. 1, National Research Tomsk Polytechnic University, Tomsk 634050, Russia;

    School of Physics and Nuclear Energy Engineering Beihang University, Beijing 100191, PR China,Beijing Key Laboratory of Advanced Nuclear Energy Materials and Physics, Beihang University, Beijing 100191, PR China;

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  • 正文语种 eng
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  • 关键词

    Intense pulsed ion beam; Thermal field; Flash method;

    机译：强脉冲离子束;热场闪光方式;

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