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The causes of reduced fatigue strength of steel in contact zones

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The decrease in fatigue strength of steel parts in contact zones (fits) is the combined result of stress concentration, electro-erosive surface deterioration, mechanical surface wear and fretting corrosion. The relative importance of the various factors may vary, depending on circumstances, and is determined by the materials of the coacting parts and the loading conditions.

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Central Research Institute for Technology and Machine Design

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Kudryavtsev, I.V., Savvina, N.M. & Rozenman, L.M. The causes of reduced fatigue strength of steel in contact zones. Met Sci Heat Treat 2, 365–367 (1960). https://doi.org/10.1007/BF00666730

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  • Fatigue
  • Loading Condition
  • Stress Concentration
  • Fatigue Strength
  • Contact Zone