STP1059

    Experimental Investigations and a Model Proposal on Damage Mechanisms in a Reinforced Carbon-Carbon Composite

    Published: Jan 1990


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    Abstract

    A reinforced carbon-carbon (RCC) composite in a bidirectional lay-up was loaded in three-point bending experiments at room temperature and 1100°C. Failure by delamination was observed up to high span-to-height ratios. Under strict assumptions applicable only to that material, a model is proposed (“stack model”). The failure mode under the present loading conditions is explained well by the model. To test the validity of the model, additional experiments with a different specimen geometry must be performed.

    Keywords:

    composite materials, reinforced carbon-carbon, bidirectional lay-up, three-point bending, failure by delamination, different span-to-height ratios, specific model for shear-mode failure


    Author Information:

    Rief, C
    Research assistant, research assistant, and research officer, Max-Planck-Institut fuer Metallforschung, Institut fuer Werkstoffwissenschaft, Stuttgart 1,

    Lindner, M
    Research assistant, research assistant, and research officer, Max-Planck-Institut fuer Metallforschung, Institut fuer Werkstoffwissenschaft, Stuttgart 1,

    Kromp, K
    Research assistant, research assistant, and research officer, Max-Planck-Institut fuer Metallforschung, Institut fuer Werkstoffwissenschaft, Stuttgart 1,


    Paper ID: STP24131S

    Committee/Subcommittee: D30.04

    DOI: 10.1520/STP24131S


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