The Space Exposure Experiment of PEEK Sheets under Tensile Stress(<Special Issue>Advanced Technology of Experimental Mechanics)
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概要
- 論文の詳細を見る
To find out the degradation behavior of polymer in the real space, space exposure experiments utilizing the International Space Station (ISS) were scheduled. PEEK sheets under tensile stresses were exposed to the environment around the ISS orbit, and were irradiated by atomic oxygen (AO), ultraviolet ray, and electron beam (EB) in the ground test facility. This study introduces the outline of these experiments, and shows the results of AO and EB pilot irradiation tests as follows: (1) Test piece surfaces after AO exposure exhibited significant morphological damages characterized by micron-sized conical pits. (2) Thickness reductions of the test pieces by AO exposure increased with increasing tensile stress. (3) Residual strength after AO exposure could be estimated by taking account of thickness reduction. (4) No significant change was observed on surface morph, mass, chemical structure, and tensile properties of the test pieces after EB exposure regardless of tensile stress.
- 一般社団法人日本機械学会の論文
- 2004-07-15
著者
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NAKAMURA Hiroshi
Division of Material Science, Graduate School of Environmental Earth Science, Hokkaido University
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Fujita O
Hokkaido Univ. Sapporo Jpn
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NAKAMURA Takashi
Division of Oral Maxillofacial Regeneration, Graduate School of Dentistry, Osaka University
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Fujita O
Kyushu Univ. Fukuoka
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FUJITA Osamu
Kariya General Hospital Eastern Division
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FUJITA Osamu
Division of Mechanical Science, Graduate School of Engineering, Hokkaido University
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NOGUCHI Toru
Division of Mechanical Science, Graduate School of Engineering, Hokkaido University
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IMAGAWA Kichiro
Institute of Space Technology and Aeronautics, Japan Aerospace Exploration Agency (JAXA)
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Nakamura Hiroshi
Division Of Cardiology Yamaguchi University Graduate School Of Medicine
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Nakamura Takashi
Division Of Cardiology Department Of Medicine Kawasaki Medical School
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Fujita Osamu
Division Of Mechanical And Space Engineering Hokkaido University
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