| MD-140导电胶粘剂性能测试及分析 |
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| 引用本文： | 刘泊天,张静静,高鸿,邢焰.MD-140导电胶粘剂性能测试及分析[J].航天器环境工程,2015,32(4):404-407. |
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| 作者姓名： | 刘泊天 张静静 高鸿 邢焰 |
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| 作者单位： | 中国航天宇航元器件工程中心, 北京 100094 |
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| 基金项目： | “十二五”星箭可靠性增长及产品化推进工程“航天器用胶粘剂黏结可靠性增长”项目 |
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| 摘 要： | 文章简要介绍了航天器常用导电胶粘剂的成分和功能原理,研究了MD-140导电胶粘剂的基本性能以及经过温度循环试验、粒子辐照试验后其力学性能、导热性能和导电性能的变化情况。从导电胶粘剂内部结构角度出发,对其性能的环境退化机理进行分析探讨。结果表明:高低温循环试验后,导电胶的黏结性能变强,导电性能变差,导热性能变化不显著;粒子辐照试验后,导电胶的黏结性能和导电性能变差,导热性能变化不显著。
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| 关 键 词： | 导电胶粘剂 剪切强度 体积电阻率 导热系数 热循环 粒子辐照 |
| 收稿时间： | 2015/3/18 0:00:00 |
| 修稿时间： | 2015/7/13 0:00:00 |
The test and analysis of properties of MD-140 conductive adhesive |
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| Liu Botian,Zhang Jingjing,Gao Hong,Xing Yan.The test and analysis of properties of MD-140 conductive adhesive[J].Spacecraft Environment Engineering,2015,32(4):404-407. |
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| Authors: | Liu Botian Zhang Jingjing Gao Hong Xing Yan |
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| Institution: | China Aerospace Components Engineering Center, Beijing 100094, China |
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| Abstract: | This paper discusses the composition and the functions of conductive adhesives used in spacecraft. The basic properties of the MD-140 conductive adhesive and the changes of its mechanical, thermal, and electrical properties after thermal-cycling and particle irradiation tests are studied. Based on the internal structure of the conductive adhesive, its environmental degradation mechanism is discussed. The results show that after the thermal-cycling test, the mechanical property is improved, the electrical property is weakened, the change of the thermal property is not remarkable; after the particle irradiation test, both of the mechanical and electrical properties are weakened, the change of the thermal property is not remarkable. |
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| Keywords: | conductive adhesive shear strength volume resistivity thermal conductivity thermal-cycling particle irradiation |
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