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 5, Issue 4
Displaying 1-7 of 7 articles from this issue
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  • [title in Japanese]
    Haruomi HIROSE
    1979 Volume 5 Issue 4 Pages 125-129
    Published: October 31, 1979
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.5.125
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    Kozo KAWATA
    1979 Volume 5 Issue 4 Pages 129-135
    Published: October 31, 1979
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.5.129
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    Hideo KITAGAWA, Katsuhiko WATANABE
    1979 Volume 5 Issue 4 Pages 136-142
    Published: October 31, 1979
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.5.136
    JOURNAL FREE ACCESS
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  • Molding Method and Rotating Stength of Fiber-Reinforced Laminated Discs
    H. NISHIDA, K. IKEGAMI, E. SHIRATORI
    1979 Volume 5 Issue 4 Pages 143-148
    Published: October 31, 1979
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.5.143
    JOURNAL FREE ACCESS
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    The effects of the lamination with the discs reinforced by fibers in the radial direction, discs reinforced by fibers in the direction of the tangent to the central hole, and isotropically laminated discs on the increase of the circumferentially fiber-reinforced disc were studied. Molding methods of these discs and experimental results of the centrifugal strains were given, and the effects of the lamination were discussed. A fairly good agreement was obtained between the observation and the calculation of the strains. The effect of the lamination on the initial cracking strength was not so large.
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  • Experimental Study on Failure Mechanism of Glass Fabric Reinforced Plastic Laminates
    O. HAGA
    1979 Volume 5 Issue 4 Pages 149-154
    Published: October 31, 1979
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.5.149
    JOURNAL FREE ACCESS
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    Relationship between the structure of reinforcement and the microscopic failure mechanism and the tensile behaviours of glass fabric reinforced plastic laminates under uniaxal tension in parallel and in a certain angle to the weaving yarn is investigated experimentally. It is shown that the microscopic failure modes of the laminates differ for the structures of reinforcement, but the degree of increment of failed regions is hardly affected by the structure of reinforcement. The failure mechanism under combined tensile and shearing stress state is clarified, and the correlation between the failure mechanism and the stress strain relation is also explained.
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  • Strength and Elastic Moduli of Unidirectional CFRP and Epoxy Resin at Low Temperature
    K. KOYAMA, S. KOBAYASHI, T. ISHIKAWA, T. ARUGA
    1979 Volume 5 Issue 4 Pages 155-159
    Published: October 31, 1979
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.5.155
    JOURNAL FREE ACCESS
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    Tensile and bending tests were conducted for Epoxy and unidirectional CFRP specimens set in a cryostat using liquid nitrogen. The agreement between experimental and calculated results of the elastic moduli of CFRP-UD was very good. As the basic data, tensile and bending strengths were obtained for 3130-Epoxy resin. Because of some experimental difficulties, the tensile strengths were scattered widely and very small. The bending strengths tending upward at low temperature were employed as computational input data. The calculated transverse strengths of CFRP-UD based on the author's analysis were in a considerably good agreement with the experimental results. It should be noted that not only the transverse but longitudinal strengths of CFRP-UD were nearly independent of the temperature in the present range.
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  • [title in Japanese]
    1979 Volume 5 Issue 4 Pages 160-162
    Published: October 31, 1979
    Released on J-STAGE: February 08, 2010
    DOIhttps://doi.org/10.6089/jscm.5.160
    JOURNAL FREE ACCESS
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