Volume 25, Issue 2 (March 1997)

    Experimental Assessment of Four Composite Material Shear Test Methods

    (Received 22 April 1996; accepted 5 August 1996)

    CODEN: JTEOAD

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    Abstract

    Four ASTM standard shear test methods for characterizing composite materials were experimentally investigated: the short beam shear (ASTM D 2344), Iosipescu shear (ASTM D 5379), axial tension of a [±45]ns laminate (ASTM D 3518), and two-rail shear (ASTM D 4255). Six composite material systems were utilized: two thermoset matrix composites; S2 glass/3501-6 epoxy and AS4 carbon/3501-6 epoxy; and four thermoplastic matrix composites, S2 glass/polyetherketoneketone (PEKK), AS4 carbon/PEKK, E-glass/J2 polyamide and AS4 carbon/J2 polyamide.

    The results obtained for both shear strength and shear modulus indicate that the various methods each have limitations and inherent inaccuracies, with no one method being clearly superior to the others in all aspects. However, the Iosipescu shear test method does exhibit a number of particularly favorable characteristics.


    Author Information:

    Adams, DF
    Composite Materials Research Group, University of Wyoming, Laramie, WY

    Lewis, EQ
    Composite Materials Research Group, University of Wyoming, Laramie, WY


    Stock #: JTE11475J

    ISSN: 0090-3973

    DOI: 10.1520/JTE11475J

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    Author
    Title Experimental Assessment of Four Composite Material Shear Test Methods
    Symposium , 0000-00-00
    Committee D30