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 7, Issue 1
Displaying 1-7 of 7 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1981 Volume 7 Issue 1 Pages 1
    Published: January 31, 1981
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.7.1
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    Yoshitsugu MISHIMA
    1981 Volume 7 Issue 1 Pages 2-10
    Published: January 31, 1981
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.7.2
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    Masayuki KATAGIRI, Masafumi YAMAMOTO
    1981 Volume 7 Issue 1 Pages 11-17
    Published: January 31, 1981
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.7.11
    JOURNAL FREE ACCESS
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  • Strength of Glass Fabric Reinforced Plastic Laminates
    O. HAGA
    1981 Volume 7 Issue 1 Pages 18-24
    Published: January 31, 1981
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.7.18
    JOURNAL FREE ACCESS
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    A theoretical method was given for estimating the tensile and compressive strengths of some types of glass fabric reinforced plastic laminates (GFRP laminates). Considerably large difference was observed between the theoretical and experimental data. It was clarified that the difference of the tensile strength is due to the cracks which nucleated in a bandle of flulaments in the perpendicular direction to the tensile force. Because of the stress concentration due on cracks, the tensile strength of a yarn exactly calculated must be about 26% less than that of the actual value. The buckling strength of a woven yarn must be taken into consideration to predict an accurate compressive strength of a GFRP. Combined stress tests on plain weave GFRP were carried out systematically by using a new type of testing machine capable of applying a combined load on a tubular test specimen. Failure criteria of a laminated plate derived from the maximum stress theory end the strain energy theory (Hoffman's brittle failure criterion) were discussed based on the experimental results. The applicability of Gol'denblat's criterion which assumes a laminated plate as a uniform anisotropic body was also discussed.
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  • Effective Radius and Wrinkling Phenomenon of the Pressurized Quasi-isotropic Membrane Diaphragm
    K. ASANO, T. AKASAKA
    1981 Volume 7 Issue 1 Pages 25-31
    Published: January 31, 1981
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.7.25
    JOURNAL FREE ACCESS
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    The toroidal membrane diaphragm is desirable to be originally formed in a rotatory symmetric structure of composite rubber sheet from the view point of its strength and the working functions. Some trials for such a construction of diaphragm had been presented, but they could not have been in practical use because of their structural complexity. In this study, a quasi-isotropic diaphragm made of triaxially woven fabric was examined experimentally in the stroke properties and fatigue strength. Then, a non-linear analysis on the equilibrium shape and the wrinkling phenomenon of the pressurized membrane diaphragm was given. A good agreement between the theoretical and the experimental results was obtained.
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  • [title in Japanese]
    Masuji UEMURA
    1981 Volume 7 Issue 1 Pages 32-37
    Published: January 31, 1981
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.7.32
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1981 Volume 7 Issue 1 Pages 38-40
    Published: January 31, 1981
    Released on J-STAGE: February 08, 2010
    DOIhttps://doi.org/10.6089/jscm.7.38
    JOURNAL FREE ACCESS
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