| 靶用低密度聚4-甲基-1-戊烯泡沫的制备与表征 |
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| 引用本文： | 单雯雯,张林,徐嘉靖,徐家云,杨向东.靶用低密度聚4-甲基-1-戊烯泡沫的制备与表征[J].强激光与粒子束,2008,20(12). |
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| 作者姓名： | 单雯雯 张林 徐嘉靖 徐家云 杨向东 |
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| 作者单位： | 1. 华北水利水电学院 数学与信息科学学院， 郑州 450011；2. 中国工程物理研究院 激光聚变研究中心， 四川 绵阳 621900；3. 四川大学 原子与分子物理研究所， 成都 610065 |
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| 基金项目： | 国家自然科学基金，高温高密度等离子体物理国防科技重点实验室基金，中国工程物理研究院基金 |
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| 摘 要： | 通过控制体系的受热历史，改进了惯性约束聚变靶材料聚4-甲基-1-戊烯(TPX)泡沫二元溶剂体系的制备工艺，并利用β射线检测和X射线照相技术，对不同制备工艺的泡沫柱进行密度分布表征。结果表明：两种方法检测的结果基本一致，即凝胶过程的冷却速率为1 ℃/min，且凝胶后采用淬冷使其快速固化的方法能制得密度分布均匀的低密度TPX泡沫样品，从而确定了均匀泡沫的最佳制备工艺。由于二元溶剂体系的超低密度TPX泡沫样品孔径太大，极个别大孔可达数百μm，均匀度极低，所以采用TPX的环己烷一元溶剂体系可以成功制备出最低密度达3 mg/cm3的超低密度TPX泡沫样品，且满足Z箍缩物理实验用靶的需求。
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| 关 键 词： | 惯性约束聚变 Z箍缩靶 TPX泡沫 密度均匀性 |
| 收稿时间： | 1900-01-01; |
Preparation and characterization of low density poly 4-methyl-l-pentene foams for ICF |
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| SHAN Wen-wen,ZHANG Lin,XU Jia-jing,XU Jia-yun,YANG Xiang-dong.Preparation and characterization of low density poly 4-methyl-l-pentene foams for ICF[J].High Power Laser and Particle Beams,2008,20(12). |
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| Authors: | SHAN Wen-wen ZHANG Lin XU Jia-jing XU Jia-yun YANG Xiang-dong |
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| Institution: | 1. College of Mathematics and Information Science, North China Institute of Water Conservancy and Hydroelectric Power, Zhengzhou 450011, China;2. Research Center of Laser Fusion, CAEP, P.O.Box 919-987, Mianyang 621900, China;3. Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China |
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| Abstract: | The preparation techniques for poly 4-methyl-1-pentene(TPX) foams in binary solvent system applied in ICF experiments have been improved through controlling the thermal history in preparation process. Beta radiation detecting and X-ray photographic technology were introduced to analyze the foam density in this system. The results of the two methods, which are consistent with each other, revealed that the optimized condition is to keep the cooling velocity in gelatin at 1 ℃/min and then quench it quickly. However, the pore size of super low density TPX foams prepared with this preparation techniques are very big, and the diameters of very few pores even reach hundreds of micron, so a single solvent system was used and the foams of lowest density 3 mg/cm3 for Z-pinch had been made. These fo |
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| Keywords: | inertial confined fusion Z-pinch fusion target TPX foam density uniformity |
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