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Proceedings Paper

Time and temperature dependence on the flexural fatigue strength in the transverse direction of unidirectional CFRP
Author(s): Masakazu Nakada; M. Maeda; T. Hirohata; M. Morita; Y. Miyano
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Paper Abstract

A prediction method of fatigue strength of polymer composites for an arbitrary frequency, stress ratio and temperature was proposed. The method is based upon the four hypotheses, (A) same failure mechanism for static, creep and fatigue failure, (b) same time-temperature superposition principle for all failure strengths, (C) linear cumulative damage law for monotone loading and (D) linear dependence of fatigue strength upon stress ratio. Flexural static, creep and fatigue tests at various temperatures were conducted in the transverse direction of two kinds of unidirectional CFRP laminates, which are T300/2500 and T300/PEEK. The validity of the prediction method and the applicability of the hypotheses for the flexural fatigue strength in the transverse direction of unidirectional CFRP laminates were discussed.

Paper Details

Date Published: 20 March 1997
PDF: 6 pages
Proc. SPIE 2921, International Conference on Experimental Mechanics: Advances and Applications, (20 March 1997); doi: 10.1117/12.269866
Show Author Affiliations
Masakazu Nakada, Kanazawa Institute of Technology (Japan)
M. Maeda, Kanazawa Institute of Technology (Japan)
T. Hirohata, Sumitomo Electric Industries (Japan)
M. Morita, Sumitomo Electric Industries (Japan)
Y. Miyano, Kanazawa Institute of Technology (Japan)


Published in SPIE Proceedings Vol. 2921:
International Conference on Experimental Mechanics: Advances and Applications
Fook Siong Chau; C. T. Lim, Editor(s)

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