Resistance to wear greater than that of 440C steel. Experiments show lives of ball bearings immersed in liquid nitrogen or liquid oxygen increased significantly when 440C steel balls (running on 440C steel races) replaced by balls of silicon nitride. Developed for use at high temperatures, where lubrication poor or nonexistent. Best wear life of any bearing tested to date and ball material spalls without fracturing. Plans for future tests call for use of liquid oxygen as working fluid.


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    Titel :

    Silicon Nitride Balls For Cryogenic Bearings


    Beteiligte:
    Butner, Myles F. (Autor:in) / Ng, Lillian W. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.07.1990



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    The load-life relationship for M50 steel bearings with silicon nitride ceramic balls

    Morrison, F.R. / McCool, J.I. / Yonushonis, T.M. et al. | Tema Archiv | 1984


    Rolling-element fatigue life of silicon nitride balls

    Parker, Richard J. / Zaretsky, Erwin V. | TIBKAT | 1974




    Transfer Lubrication For Cryogenic Bearings

    Barber, S. A. / Kannel, J. W. / Dufrane, K. F. | NTRS | 1988