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Other TitleA consideration of erosion mechanism of FEP/Ag in sub-low earth orbit space environment
Author(jpn)藤本, 友介; 北, 一貴; 大倉, 僚太; 岩田, 稔; 横田, 久美子; 田川, 雅人
Author(eng)Fujimoto, Yusuke; Kita, Kazuki; Okura, Ryota; Iwata, Minoru; Yokota, Kumiko; Tagawa, Masahito
Author Affiliation(jpn)神戸大学; 神戸大学; 神戸大学; 九州工業大学; 神戸大学; 神戸大学
Author Affiliation(eng)Kobe University; Kobe University; Kobe University; Kyusyu Institute of Technology; Kobe University; Kobe University
Issue Date2018-01-15
Japan Aerospace Exploration Agency (JAXA)
Publication title宇宙航空研究開発機構特別資料: 第14回「宇宙環境シンポジウム」講演論文集
JAXA Special Publication: Proceedings of the 14th Spacecraft Environment Symposium
Start page53
End page57
Publication date2018-01-15
AbstractIt has been recognized that fluoroethylenepropylene (FEP) is durable to the hyperthermal atomic oxygen (AO) attack in low earth orbit (LEO) compared to the other hydrocarbon polymers. However, the densities of N2 in sub-LEO are higher than LEO, and the durability of FEP in sub-LEO environment is still unclear. In this study, simultaneous exposure experiment of AO and Ar, which is simulating N2 collision in sub-LEO, was performed on FEP/Ag film samples. It was confirmed that the erosion of FEP by hyperthermal Ar beam was greater than that by AO beam. In addition, the synergistic effect was not be confirmed at the simultaneous exposures of AO and Ar. The importance o f N 2-induced erosion of FEP in sub-LEO was commented.
Description会議情報: 第14回宇宙環境シンポジウム (2017年11月6日-8日. 神戸大学先端融合研究環統合研究拠点コンベンションホール), 神戸市, 兵庫県
形態: カラー図版あり
Physical characteristics: Original contains color illustrations
Keywordsatomic oxygen; nitrogen; FEP/Ag; Sub-LEO; material degradation
Document TypeConference Paper
JAXA Category特別資料
NASA Subject CategorySpacecraft Design, Testing and Performance
Report NoJAXA-SP-17-006

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