无机材料学报 ›› 2012, Vol. 27 ›› Issue (11): 1197-1204.DOI: 10.3724/SP.J.1077.2012.12063

• 研究论文 • 上一篇    下一篇

玻璃空间电离辐照着色损伤动力学研究

杜继实1,2, 张 涛1,2, 赵丽丽1,2, 宋力昕1,2, 胡行方1,2   

  1. (1. 中国科学院 特种无机涂层重点实验室, 上海 200050; 2. 中国科学院 上海硅酸盐研究所, 上海200050)
  • 收稿日期:2012-01-13 修回日期:2012-02-28 出版日期:2012-11-20 网络出版日期:2012-10-25
  • 作者简介:杜继实(1984–), 男, 博士研究生. E-mail: flash6669@gmail.com
  • 基金资助:

    上海市自然科学基金(09ZR1435700)

Study on Dynamic of Space Ionizing Radiation Induced Coloration in Glasses

DU Ji-Shi1,2, ZHANG Tao1,2, ZHAO Li-Li1,2, SONG Li-Xin1,2, HU Xing-Fang1,2   

  1. (1. Key Laboratory of Inorganic Coating Materials, Chinese Academy of Sciences, Shanghai 200050, China; 2. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China)
  • Received:2012-01-13 Revised:2012-02-28 Published:2012-11-20 Online:2012-10-25
  • About author:DU Ji-Shi. E-mail: flash6669@gmail.com
  • Supported by:

    Natural Science Foundation of Shanghai (09ZR1435700)

摘要: 空间电离辐照主要由能量连续变化的粒子组成, 绝大多数粒子穿透能力小, 因此, 空间电离辐照对玻璃的着色损伤必然随深度而呈现一种复杂的变化, 针对这一现象, 并且考虑到玻璃中色心的弛豫消失, 本工作建立了一种适用于玻璃空间电离辐照着色损伤动力学研究的方法. 以K9-HL玻璃为研究对象, 利用空间电离辐照作用在玻璃中随深度变化的Monte Carlo模拟结果, 研究了该玻璃在轨(近地点350 km, 远地点425 km, 轨道倾角51.6°)电离辐照着色损伤过程, 讨论了航天器用玻璃抗辐照性能考核方法, 分析了玻璃空间电离辐照着色损伤的深度分布, 提出了航天器用玻璃材料抗电离辐照损伤加固的关键点. 此外, 对不同石英玻璃防电离辐照层保护的K9-HL玻璃在轨光学性能做了研究.

关键词: 玻璃, 空间电离辐照, 色心, 动力学, 数值方法

Abstract: Space ionizing radiation is mainly made up of the particles (proton and electron) with continuous energy distribution, and most of the particles have poor penetration capability in the glass, as a result, space ionizing radiation induced coloration in the glass inevitably changes complexly with depth in the glass. Based on this phenomenon, and considering the relaxation process of color centers induced by irradiation in the glass, a method applicable in the study on the dynamic of space ionizing radiation induced coloration in the glass was introduced in the paper. Selecting K9-HL glass as the studied object, using the numerical method and absorbed dose distribution of space ionizing radiation with depth in the glass simulated by Monte Carlo method, the process of space ionizing radiation (the orbital: perigee 350 km, apogee 425 km, orbital inclination 51.6°) induced coloration in this glass was studied. The method of anti-irradiation performance testing for the glasses used on the spacecrafts was discussed, and space ionizing radiation induced coloration distribution in the glass was analyzed. Key anti-irradiation technologies of the glasses on the spacecraft were proposed. Additionally, optical property K9-HL glass in the orbital shielded by silica glass anti-radiation layers of different thicknesses was studied.

Key words: glass, space ionizing radiation, color center, dynamic, numerical method

中图分类号: