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Sensitivity analysis of thermal deformation of CFRP laminate reflector due to fiber orientation error

Authors
  • Tanaka, Shun1
  • Ikeda, Tadashige1
  • Senba, Atsuhiko2
  • 1 Nagoya University, Department of Aerospace Engineering, Nagoya, Japan , Nagoya (Japan)
  • 2 Meijo University, Department of Vehicle and Mechanical Engineering, Nagoya, Japan , Nagoya (Japan)
Type
Published Article
Journal
Journal of Mechanical Science and Technology
Publisher
Korean Society of Mechanical Engineers
Publication Date
Oct 19, 2016
Volume
30
Issue
10
Pages
4423–4426
Identifiers
DOI: 10.1007/s12206-016-0905-z
Source
Springer Nature
Keywords
License
Yellow

Abstract

Carbon fiber reinforced plastic (CFRP) laminates are sometimes adopted as material of space observation systems because their specific stiffness is high and thermal deformation can be controlled by stacking sequence and fiber orientation. However, unexpected out-of-plane thermal deformation is generated on CFRP laminate plates because of fiber orientation error. In this research, a CFRP reflector model was built and its thermal deformation was measured to determine the kinds of deformation generated on the reflector. In the experiment, non-axisymmetric deformation was generated even for uniform heating. Finite-element analysis (FEA) on thermal deformation of the reflector model was performed to explain non-axisymmetric deformation. FEA showed that non-axisymmetric deformation was generated by fiber orientation error. The thermal deformation of the CFRP reflector model was strongly affected by fiber orientation error, and accordingly, the fiber orientation angle of CFRP reflectors should be controlled strictly depending on the desired accuracy.

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