STP1522

    Effect of Oxygen Concentration on Autogenous Ignition Temperature and Pneumatic Impact Ignitability of Nonmetallic Materials

    Published: Jan 2009


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    Abstract

    Extensive test data exist on the ignitability of nonmetallic materials in pure oxygen, but these characteristics are not as well understood for lesser oxygen concentrations. In this study, autogenous ignition temperature testing and pneumatic impact testing were used to better understand the effects of oxygen concentration on ignition of nonmetallic materials. Tests were performed using oxygen concentrations of 21, 34, 45, and 100 %. The following materials were tested: PTFE Teflon®, Buna-N, Silicone, Zytel® 42, Viton® A, and Vespel® SP-21.

    Keywords:

    autogenous ignition temperature, pneumatic impact, oxygen concentration, nonmetallic materials


    Author Information:

    Smith, Sarah
    NASA Project Manager, National Aeronautics and Space Administration (NASA), Las Cruces, NM


    Paper ID: STP48833S

    Committee/Subcommittee: G04.01

    DOI: 10.1520/STP48833S


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