STP723

    Fatigue Retardation Due to Creep in a Fibrous Composite

    Published: Jan 1981


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    Abstract

    A series of experiments were performed in an attempt to investigate the effect of creep strain and temperature on the fatigue life of a [±45]2s graphite/epoxy composite laminate. The experimental results indicate that sustained periods of static loads have significant retardation effects and that cyclic loading with a lower frequency preceeding one with a higher frequency also prolongs the fatigue life.

    Keywords:

    composite materials, fatigue (materials), retardation, crack propagation, creep, hold time


    Author Information:

    Sun, CT
    Professor and graduate student, School of Aeronautics and Astronautics, Purdue University, West Lafayette, Ind.

    Chim, ES
    Professor and graduate student, School of Aeronautics and Astronautics, Purdue University, West Lafayette, Ind.


    Paper ID: STP27623S

    Committee/Subcommittee: E08.05

    DOI: 10.1520/STP27623S


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