Creep Behavior of Elastic Fiber/Epoxy Matrix Composite Materials

JB Koeneman; TP Kicher

doi:10.1520/STP27765S

SYMPOSIA PAPER Published: 01 January 1972

STP27765S

Creep Behavior of Elastic Fiber/Epoxy Matrix Composite Materials

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Creep tests were run on glass fiber and Thornel fiber/epoxy matrix composites. Composite creep rates depend on specimen geometry, which can be explained by considering the average deviatoric and equivalent stress states that exist in the matrix. Tests indicate that the matrix is in the bulk plastic region considerably before failure. The stress dependence of the creep rate is used to determine the yield stress of the pure epoxy and the stress level at which the matrix of a composite becomes fully plastic.

Author Information

Koeneman, JB

Bell Telephone Laboratories, Columbus, Ohio

Kicher, TP

Case Western Reserve University, Cleveland, Ohio

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Details

Developed by Committee: D30

Pages: 503–515

DOI: 10.1520/STP27765S

ISBN-EB: 978-0-8031-4606-8

ISBN-13: 978-0-8031-0134-0

Creep Behavior of Elastic Fiber/Epoxy Matrix Composite Materials

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