| 星用热缩套管力学性能钴源辐照效应研究 |
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| 引用本文： | 赵春晴,刘宇明,聂翔宇,张永泰,丁义刚,沈自才.星用热缩套管力学性能钴源辐照效应研究[J].装备环境工程,2016,13(4):180-184. |
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| 作者姓名： | 赵春晴 刘宇明 聂翔宇 张永泰 丁义刚 沈自才 |
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| 作者单位： | 北京卫星环境工程研究所,北京,100094 |
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| 摘 要： | 目的研究星用热缩套管的力学性能(断裂伸长率和拉伸强度)在空间辐射环境中的退化情况。方法利用钴源放射的γ射线模拟地球轨道粒子辐照环境,通过表面形貌分析、辐解气体分析、X射线光电子能谱分析、红外光谱分析等多种手段分析热缩套管力学性能退化的原因。结果辐照后热缩套管颜色变深,力学参数出现严重退化现象。在最大辐照剂量下,材料断裂伸长率由414.3%下降为0.06%,拉伸强度由17.43 MPa下降为2.15 MPa,热缩套管原有力学性能几乎完全丧失。结论热缩套管主链出现断链现象,生成可挥发的CO2,CH4等气体,从而导致样品力学性能严重退化。
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| 关 键 词： | 热缩套管 力学性能 辐照 γ射线 |
| 收稿时间： | 3/1/2016 12:00:00 AM |
| 修稿时间： | 2016/8/15 0:00:00 |
60Co Radiation Effects on the Mechanical Properties of Heat-shrinkable Sleeves for Satellites |
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| ZHAO Chun-qing,LIU Yu-ming,NIE Xiang-yu,ZHANG Yong-tai,DING Yi-gang and SHEN Zi-cai.60Co Radiation Effects on the Mechanical Properties of Heat-shrinkable Sleeves for Satellites[J].Equipment Environmental Engineering,2016,13(4):180-184. |
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| Authors: | ZHAO Chun-qing LIU Yu-ming NIE Xiang-yu ZHANG Yong-tai DING Yi-gang and SHEN Zi-cai |
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| Institution: | Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China,Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China,Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China,Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China,Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China and Beijing Institute of Spacecraft Environment Engineering, Beijing 100094, China |
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| Abstract: | |
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| Keywords: | heat-shrinkable sleeve mechanical property irradiation γ rays |
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