Volume 13, Issue 3 (January 1991)

    Crack Speed Calculations for Unidirectional Laminae


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    Based on the physical hypotheses that (a) the random properties of fracture in composite materials can be described by a nominal crack size and (b) the surplus of applied work to create new crack surfaces is converted into kinetic energy, an equation for crack speeds in orthotropic composites subjected to a uniform constant normal stress is derived. When the crack length in a composite increases and gets longer than the critical crack length, the crack speed increases asymptotically and finally reaches a limiting speed.

    Author Information:

    Chiang, YJ
    Assistant professor, University of Detroit Mercy, Detroit, MI

    Stock #: CTR10225J

    ISSN: 0884-6804

    DOI: 10.1520/CTR10225J

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    Title Crack Speed Calculations for Unidirectional Laminae
    Symposium , 0000-00-00
    Committee D30