Exposure of spacecraft polymers to energetic ions, electrons and ultraviolet light

被引：0
|
作者：
Tahara, H. [1 ]
Kawabata, T. [1 ]
Zhang, L. [1 ]
Yasui, T. [1 ]
Yoshikawa, T. [1 ]
机构：
[1] Osaka Univ, Osaka, Japan
来源：
Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms | 1997年 / 121卷 / 1-4期
关键词：
Degradation - Electron beams - Films - Ion bombardment - Nitrogen - Optical properties - Oxygen - Radiation effects - Structure (composition) - Ultraviolet radiation;
D O I：
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学科分类号：
摘要：
The influence of high-energy charged-particle bombardment and UV light irradiation on chemical structure of polyimide films was investigated to clarify the mechanism of material degradation in space. The films were exposed to oxygen or nitrogen ion beams with 0.5 keV, to electron beams with 20-30 keV and to UV and visible light of 250-600 nm. X-ray photoelectron spectroscopic analysis showed structural changes of the exposed polymers. The optical properties of transmittance and reflectance were also found to be degraded.
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页码：446 / 449
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