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 8, Issue 1
Displaying 1-8 of 8 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1982 Volume 8 Issue 1 Pages 1
    Published: January 31, 1982
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.8.1
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    Yukiya NAKAGAWA
    1982 Volume 8 Issue 1 Pages 2-8
    Published: January 31, 1982
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.8.2
    JOURNAL FREE ACCESS
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  • Mechanical Dispersion in Fiber-Reinforced Polymer Composite
    M. KODAMA, Y. FURUHASHI
    1982 Volume 8 Issue 1 Pages 9-14
    Published: January 31, 1982
    Released on J-STAGE: February 08, 2010
    DOIhttps://doi.org/10.6089/jscm.8.9
    JOURNAL FREE ACCESS
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    In order to characterize the mechanical dispersion in fiber-reinforced polymer composite, the dynamic viscoelastic properties were measured for the polymer composite reinforced with satin glass cloth. The symmetrical angle between the length direction of sample and each fiber axis of warp and woof was varied to be±67.5°(ECN67.5), ±45 °.(ECN45) and ±22.5°(ECN22.5). The composite reinforced with the cloth in which the fiber axis of warp coincided with the longitudinal direction of sample (ECN0), that reinforced with uniaxially aligned glass roving to the longitudinal direction of sample (ERN0) and that reinforced with glass chopped strand mat (EWN) were also used as samples. Although the primary transition on E″ and tanδ vs. temperature curve is merely observed in ECN67.5 and ECN45, a sub-transition appears at a temperature above the primary transition in ECN22.5, ECN0, ERN0 and EWN. The appearance of the sub-transition is characteristic in fiber-reinforced polymer composite. The present results can be explained by the mechanism proposed by Lipatov el al. starting that the separation of the sub and primary transition occurs if the boundary layers formed on the surface of reinforcement and the bulk polymer phase are coupled parallel with respect to the direction of deformation.
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  • Relation between Isochromatic Fringe Pattern and Failure Pattern of Yarn in the Unidirectional Glass Fiber Reinforced Plastics at the Wedge Indentation
    H. INOUE, M. IDO
    1982 Volume 8 Issue 1 Pages 15-21
    Published: January 31, 1982
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.8.15
    JOURNAL FREE ACCESS
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    The phenomena of the deformation of unidirectional glass fiber reinforced plastic materials at the wedge indentation were studied by means of photoelastic method. Irregular pattern of isochromatic fringe and failure pattern which occur and progress in the yarn were observed. These were considered in comparison with isochromatic numbers. The main results obtained are as follows : (1) The irregularity of isochromatic fringe depends on the irregular distribution of residual stress in the yarn. (2) The failure pattern in the yarn is predicted by the shape of envelope of isochromatic fringe for both yarn and matrix. (3) Interface debonding which appears between fiber and matrix occurs under the elastic deformation, whereas the micro fracture of fiber and matrix occurs during the plastic deformation. (4) The contoure of whitening parts is very similar to the shape of isochromatic fringe except the fracture parts of yarn.
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  • [title in Japanese]
    Masuji UEMURA
    1982 Volume 8 Issue 1 Pages 22-29
    Published: January 31, 1982
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.8.22
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    Sachio MIYAIRI
    1982 Volume 8 Issue 1 Pages 30-31
    Published: January 31, 1982
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.8.30
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    Suketada MOMOSHIMA
    1982 Volume 8 Issue 1 Pages 32-33
    Published: January 31, 1982
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.8.32
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    1982 Volume 8 Issue 1 Pages 34-37
    Published: January 31, 1982
    Released on J-STAGE: February 08, 2010
    DOIhttps://doi.org/10.6089/jscm.8.34
    JOURNAL FREE ACCESS
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