2010 Fiscal Year Final Research Report
Development of quantitative space environmental simulation method using advanced quantum beam surface analyses
| Project/Area Number |
20360382
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Aerospace engineering
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| Research Institution | Kobe University |
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Principal Investigator |
TAGAWA Masahito Kobe University, 大学院・工学研究科, 准教授 (10216806)
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| Co-Investigator(Kenkyū-buntansha) |
YOKOTA Kumiko 神戸大学, 大学院・工学研究科, 助手 (20252794)
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| Project Period (FY) |
2008 – 2010
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| Keywords | 宇宙環境 / 量子ビーム / 宇宙材料 / 地上試験 |
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| Research Abstract |
This research project reveals the detail analysis of experimental conditions in space environmental simulation for establishing the highly qualitative and quantitative ground-based simulation by using the 3^<rd> generation quantum synchrotron radiation. We have obtained the following conclusions: 1. Collision energy of atoms influences the erosion of materials in simulation experiments; 2. Synergistic effect with ultraviolet does not appear on fluorinated materials; 3. Effect of neutral gases beside atomic oxygen cannot be neglected; 4. Release of hydrogen from DLC is affect by the collision energy of atomic oxygen; and 5. Protective oxide layer is formed at the Si- or Ti-doped DLC by atomic oxygen exposure. These experimental results and conclusions are obtained by the precise surface analysis with the use of synchrotron radiation and high-energy ion accelerators. Many important key points for the reliable space environmental simulation are discovered through this research project.
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[Journal Article] A Consideration of Future Flight Material Exposure Experiments in Japan : Advanced Material Exposure Test Working Group's Proposal2010
Author(s)
Masahito Tagawa, Kumiko Yokota, Mengu Cho, Minoru Iwata, Rikio Yokota, Mineo Suzuki, Koji Matsumoto, Yugo Kimoto, Eiji Miyazaki, Hiroyuki Shimamura
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Journal Title
Transactions of the Japan Society for Aeronautical and Space Sciences, Space Technology Japan Vol.8, No.ists27
Pages: Th_1-Th_5
Peer Reviewed
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[Journal Article] Durability of a Silicon-Containing Polyimide in a Simulated Low Earth Orbit Space Environment2009
Author(s)
Kumiko Yokota, Masahito Tagawa, Minoru Iwata, Eiji Miyazaki, Jun-ichiro Ishizawa, Mineo Suzuki, Rikio Yokota, K.L Mittal Ed.
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Journal Title
Polyimides and Other High Temperature Polymers(VSP, Leiden, NL, 2009) Vol.5
Pages: 379-390
Peer Reviewed
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