Investigation of Rolling Fatigue In Locally Predamaged Areas by Microscopic and X-Ray Techniques

  • D. Eifler
  • B. Scholtes
  • E. Macherauch

Abstract

Rollers of roller bearings were predamaged by local superheating small surface areas. In these spots, the changes of microstructure and residual stresses were investigated in dependence on the rolling number. The results were compared with observations made in undamaged specimen areas fatigued under the same rolling conditions.

Keywords

Residual Stress Depth Distribution Compressive Residual Stress Tensile Residual Stress Roller Bearing 
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References

  1. [1]
    Ilg, U.: Dr.-lng. thesis, Univ. Karlsruhe (1980)Google Scholar
  2. [2]
    llg, U. Wohlfahrt, H. and Macherauch, E., Überrollungsinduzierte Eigenspannungen in Wäizelementen aus 100 Cr 6. Härterei-Techn. Mitt.. 1984, 39, pp. 30–38Google Scholar
  3. [3]
    Voskamp, A. P., Rolling Contact Fatigue and the Significance of Residual Stresses. In Residual Stresses in Science and Technology, eds. E. Macherauch and V. Hauk, DGM Informationsgesellschaft Verlag, Oberursel 1987, pp. 713–720Google Scholar
  4. [4]
    Maeda, K. and Tosushima, N.t Influence of Preexisting Residual Stress on Rolling Fatigue Life, see [3], pp. 899 - 906Google Scholar

Copyright information

© Elsevier Science Publishers Ltd 1989

Authors and Affiliations

  • D. Eifler
    • 1
  • B. Scholtes
    • 1
  • E. Macherauch
    • 1
  1. 1.Institut für Werkstoffkunde IUniversity of Karlsruhe (TH)Germany

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