Dr. Jun Koyanagi Profile

Dr. Jun Koyanagi

at Japan Aerospace Exploration Agency

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Publications (3)

Proceedings Article | 23 July 2010 Paper

Time-dependent deformation of surface geometry on light weight and thermally stable CFRP mirror in humid environment

Yoshihiko Arao, Jun Koyanagi, Shin Utsunomiya, Shin-ichi Takeda, Hiroyuki Kawada

Proceedings Volume 7739, 77392N (2010) https://doi.org/10.1117/12.856910

KEYWORDS: Mirrors, Coating, Absorption, Carbon, Surface roughness, Mirror stabilization, Space telescopes, Silicon carbide, Space mirrors, Telescopes

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Proceedings Article | 15 April 2010 Paper

Determination of interfacial failure criterion in glass fiber/epoxy interface by cruciform specimen method employing elasto-plastic analysis

Jun Koyanagi, Shinji Ogihara

Proceedings Volume 7522, 752227 (2010) https://doi.org/10.1117/12.851242

KEYWORDS: Interfaces, Failure analysis, Glasses, Epoxies, Polymers, Stress analysis, Composites, Optical microscopes, Finite element methods, Aerospace engineering

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Proceedings Article | 15 April 2010 Paper

Development of space telescope mirror made by light and thermally stable CFRP

Jun Koyanagi, Yoshihiko Arao, Hiroshi Terada, Shin Utsunomiya, Shin-ichi Takeda, Hiroyuki Kawada

Proceedings Volume 7522, 75223L (2010) https://doi.org/10.1117/12.851241

KEYWORDS: Surface roughness, Mirrors, Temperature metrology, Composites, Space telescopes, Space mirrors, Glasses, Epoxies, Carbon, Finite element methods

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