A test program was carried out to evaluate several new high-temperature friction materials for use in aircraft disk brakes. A specially built test apparatus utilizing a disk brake and wheel half from a small jet aircraft was used. The apparatus enabled control of brake pressure, velocity and braking time. Tests were run under both constant and variable velocity conditions and covered a kinetic energy range similar to that encountered in aircraft brake service. The materials evaluation showed that two newly developed friction materials show potential for use in aircraft disk brakes. One of the materials is a nickel-based sintered composite, while the other is a molybdenum-based material. Both materials show much lower wear rates than conventional copper-based materials and are better able to withstand the high temperatures encountered during braking. Additional materials improvement is necessary, however, since both materials show a significant negative slope of the friction-velocity curve at low velocities. (Se)


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    Title :

    Evaluation of aircraft brake materials


    Additional title:

    Entwicklung vom Bremsbelaegen fuer Flugzeuge


    Contributors:
    Ho, T.L. (author) / Kennedy, F.E. (author) / Peterson, M.B. (author)

    Published in:

    Publication date :

    1977


    Size :

    7 Seiten, 12 Bilder, 1 Tabelle, 9 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    Evaluation of aircraft brake materials

    Ho, T.L. / Kennedy, F.E. / Peterson, M.B. | Tema Archive | 1979


    Development of aircraft brake materials

    Ting-Long, Ho. / Peterson, M. | Tema Archive | 1978


    Development of aircraft brake materials

    Ho, T.L- / Peterson, B. | Tema Archive | 1976


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