Volume 17, Issue 4 (October 1995)

    Pressurized Ring Test for Composite Pressure Vessel Hoop Strength and Stiffness Evaluation

    CODEN: CTROAD

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    Abstract

    With the expanding use of composite pressure vessels, including space, tactical, and civil applications, accurate prediction of performance becomes increasingly important. A critical parameter in performance prediction is the burst strength, as measured by the hoop fiber ultimate strain-to-failure. This paper discusses a newly developed test method that is capable of pressure testing 50.8-cm diameter rings with representative composite pressure vessels' laminate thicknesses and lay-ups. Tests of rings with various laminate thicknesses and lay-ups showed excellent agreement with measured delivered fiber strength and stiffness in full-scale composite pressure vessels. Test data show nearly a one-to-one scaling in strength.


    Author Information:

    Johnson, AK
    Alliant Techsystems, Inc., Magna, UT

    Cohen, D
    Alliant Techsystems, Inc., Magna, UT

    Hansen, MF
    Alliant Techsystems, Inc., Magna, UT

    Toombes, YT
    TheraTech, Inc., Salt Lake City, UT


    Stock #: CTR10453J

    ISSN: 0884-6804

    DOI: 10.1520/CTR10453J

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    Author
    Title Pressurized Ring Test for Composite Pressure Vessel Hoop Strength and Stiffness Evaluation
    Symposium , 0000-00-00
    Committee D30