Journal of the Japan Society for Composite Materials
Online ISSN : 1884-8559
Print ISSN : 0385-2563
ISSN-L : 0385-2563
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Volume 4, Issue 4
Displaying 1-7 of 7 articles from this issue
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  • [title in Japanese]
    [in Japanese], [in Japanese]
    1978 Volume 4 Issue 4 Pages 133-135
    Published: October 31, 1978
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.4.133
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1978 Volume 4 Issue 4 Pages 135-143
    Published: October 31, 1978
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.4.135
    JOURNAL FREE ACCESS
    Download PDF (3025K)
  • [title in Japanese]
    [in Japanese]
    1978 Volume 4 Issue 4 Pages 143-150
    Published: October 31, 1978
    Released on J-STAGE: February 08, 2010
    DOIhttps://doi.org/10.6089/jscm.4.143
    JOURNAL FREE ACCESS
    Download PDF (5659K)
  • [title in Japanese]
    [in Japanese], [in Japanese]
    1978 Volume 4 Issue 4 Pages 150-156
    Published: October 31, 1978
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.4.150
    JOURNAL FREE ACCESS
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  • Acoustic Fatigue Strength of FRP Panels
    T. FUJII, T. FUKUDA, S. IIDA, M. SANO
    1978 Volume 4 Issue 4 Pages 157-162
    Published: October 31, 1978
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.4.157
    JOURNAL FREE ACCESS
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    Four kinds of FRP panels with three layers consisting of roving glass cloth and/or glass mat reinforced unsaturated polyester resin were acoustically excited and tested by using the acoustic fatigue testing facility. The shape of each test panel is rectangular and identified with one bay of the aircraft body. In the experiments, it is observed that the lamination structure of the test panel may characterize the failure pattern and the glass mat reinforced test panel may be more isotropic than the roving glass cloth reinforced test panel. The experimental results indicate that the acoustic fatigue strength of FRP test panel is considerably lower than the fatigue strength of FRP materials tested under constant stress. In order to predict the acoustic fatigue life of test panels, it is assumed that the acoustic load used here is a random noise with narrow frequency band-width and the modified Miner's rule is applicable to FRP materials . Under these assumptions, the acoustic fatigue life of test panels is predicted by the experimental data of fatigue strength of FRP obtained from constant stress testing and has the good agreement with their experimental data.
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  • Mechanical Characteristics of Filament-Wound Pressure Vessel
    Nonlinear Analysis of Mechanical Behaviors
    H. IIDA
    1978 Volume 4 Issue 4 Pages 163-167
    Published: October 31, 1978
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.4.163
    JOURNAL FREE ACCESS
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    As shown in the previous paper, a linear analysis of the strain distributions in filamentwound pressure vessels by use of the finite element method can explain the experimental results in the initial stage of pressure loading. However, it was found that the experimental pressure versus strain curves on some dome portions became nonlinear with an increase of internal pressure and it seemed to result from the variation of dome configuration. Accordingly, in the present paper, the stress and strain analyses in filament-wound pressure vessels are treated as an geometrically large deflection problem by using the modified load incremental method. And it is shown that the numerical results for a rocket moter case (EXOS-KM-B) which is to be launched by Inst, of Space & Aeronaut. Sci., Univ. of Tokyo, agree fairly with the experimental results.
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  • [title in Japanese]
    1978 Volume 4 Issue 4 Pages 168-170
    Published: October 31, 1978
    Released on J-STAGE: February 08, 2010
    DOIhttps://doi.org/10.6089/jscm.4.168
    JOURNAL FREE ACCESS
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