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 19, Issue 5
Displaying 1-5 of 5 articles from this issue
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  • [title in Japanese]
    Yasuo NAGASHIMA
    1993 Volume 19 Issue 5 Pages 163-169
    Published: September 15, 1993
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.19.163
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1993 Volume 19 Issue 5 Pages 170
    Published: September 15, 1993
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.19.170
    JOURNAL FREE ACCESS
    Download PDF (147K)
  • [title in Japanese]
    Sueo KAWABATA
    1993 Volume 19 Issue 5 Pages 171-178
    Published: September 15, 1993
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.19.171
    JOURNAL FREE ACCESS
    Download PDF (1882K)
  • Mechanical Properties of Weft Knitted Fabric Reinforced Composites
    W.L. WU, M. INODA, M. KOTAKI, A. GOTO, A. FUJITA, H. HAMADA, Z. MAEKAW ...
    1993 Volume 19 Issue 5 Pages 179-188
    Published: September 15, 1993
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.19.179
    JOURNAL FREE ACCESS
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    A study of the tensile properties of weft knitted fabric reinforced composites is presented. The rib stitch of basic weft knitted structure has been adopted in which the face and back structure is the same. The tensile strength in wale direction is higher than that in course direction in weft knitted fabric reinforced composites. It is found that the tensile strength increased in wale direction by stretching of knitted fabric before molding. Two fracture modes were suggested ; that is fracture occurs at the section with extreme low fiber content corresponding to the arc part of knitted loop in course direction and fracture occurs due to stress concentration at loop interlocking region in wale direction.
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  • Dynamic Response of Laminated Cylindrical Shells Subjected to Periodic Axial Compressive Loads
    H. KASUYA, K. NEMOTO
    1993 Volume 19 Issue 5 Pages 189-195
    Published: September 15, 1993
    Released on J-STAGE: August 11, 2009
    DOIhttps://doi.org/10.6089/jscm.19.189
    JOURNAL FREE ACCESS
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    Advanced fiber-reinforced composite materials have been used for structural members, because of their high specific strength and stiffness. This paper deals with the problem of dynamic stability of angle-ply laminated cylindrical shells subjected to static and periodic axial compressive loads. First, the axially symmetric motion of the shell under the loading is determined. Subsequently, certain perturbations are superimposed on this motion, and their effect on the behavior of the shell is investigated. The symmetric state of motion of the shell is assumed to be stable if the perturbations remain to the bounds. The solutions for the prebuckling motion and the perturbated motion are obtained by the use of Galerkin's method. Stable regions are examined by utilizing Mathieu equation. The inevitability of dynamically unstable behaviors and the effects of various factors, such as compressive load ratio, lamination angle, fundamental natural frequency, driving amplitude of the vibration and dynamic unstable mode are analytically clarified.
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