STP575

    Assessment of Nonmetallic Inclusion Content and the Relationship to Fatigue Life of One Percent Carbon-Chrome Steels

    Published: Jan 1975


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    Abstract

    Collaborative work by a steel maker and a bearing tube maker on the effect of nonmetallic inclusions on the fatigue life of bearing steels suggests that, at the high levels of cleanness now normally attainable, traditional methods of inclusion counting are irrelevant and may lead to unjustifiable rejection of perfectly satisfactory casts. Examination of failure mechanisms suggests that other metallurgical factors may have a more significant effect on bearing fatigue life.

    Keywords:

    inclusions, fatigue (materials), carbon alloys, antifriction bearings, bearing alloys


    Author Information:

    Meredith, JE
    Metallurgical services executive, TI Desford Tubes Ltd., Nr. Leicester,

    Sewell, JF
    Manager, British Steel Corporation,


    Paper ID: STP32287S

    Committee/Subcommittee: A01.28

    DOI: 10.1520/STP32287S


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