Long-term durability of tri-axial woven CFRP tube structure extended along the spin axis of spinning platforms for the SCOPE mission

Jun Koyanagi, Akihito Watanabe, Nobuyoshi Kawabata, Tsuyoshi Ozaki, Ken Higuchi, Kosei Ishimura, Yasumasa Kasaba

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

This study investigates the strength and long-term durability of a spin-axis extensible rigid antenna element, made of tri-axial woven carbon fiber-reinforced polymer (CFRP), for a spinning spacecraft. Due to a slight deviation between the spin axis and antenna-extended axis with the spin, the antenna is subjected to centrifugal body force; the centrifugal force enhances the antenna deflection. A relationship between centrifugal force and antenna deflection is derived from beam theory. As the apparent material modulus decreases with time, the deflection increases simultaneously. The time dependence of mechanical properties of the tri-axial woven CFRP is hence examined by a creep test. The time-dependent failure criterion of the antenna is then examined using a flexural durability test. Based on the beam theory and experimental results, we examine the long-term reliability of applying the tri-axial woven CFRP to extensible rigid antenna for the spinning spacecraft, especially for SCOPE mission; it is verified that the current design tolerance for the mission assures certain durability for long-term usage.

Original languageEnglish
Pages (from-to)115-128
Number of pages14
JournalAdvanced Composite Materials
Volume23
Issue number2
DOIs
Publication statusPublished - 2014 Mar 4
Externally publishedYes

Fingerprint

Carbon fibers
Polymers
Durability
Antennas
Spacecraft
carbon fiber
Creep
Mechanical properties

Keywords

  • aerospace application
  • beam theory
  • CFRP
  • tri-axial woven composite
  • viscoelastic

ASJC Scopus subject areas

  • Ceramics and Composites
  • Mechanical Engineering
  • Mechanics of Materials

Cite this

Long-term durability of tri-axial woven CFRP tube structure extended along the spin axis of spinning platforms for the SCOPE mission. / Koyanagi, Jun; Watanabe, Akihito; Kawabata, Nobuyoshi; Ozaki, Tsuyoshi; Higuchi, Ken; Ishimura, Kosei; Kasaba, Yasumasa.

In: Advanced Composite Materials, Vol. 23, No. 2, 04.03.2014, p. 115-128.

Research output: Contribution to journalArticle

Koyanagi, Jun ; Watanabe, Akihito ; Kawabata, Nobuyoshi ; Ozaki, Tsuyoshi ; Higuchi, Ken ; Ishimura, Kosei ; Kasaba, Yasumasa. / Long-term durability of tri-axial woven CFRP tube structure extended along the spin axis of spinning platforms for the SCOPE mission. In: Advanced Composite Materials. 2014 ; Vol. 23, No. 2. pp. 115-128.
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