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Influence of heat treatment on the cyclic crack resistance of low-carbon cast steels

  • Strength Properties
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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    After normalizing, 20GFL steel possesses higher fatigue-crack propagation resistance the 10−9–10−7 m/cycle range of rates than normalized 20GL stee.

  2. 2.

    After hardening and tempering, 20GL and 20GFL steels have better cyclic crack resistance than after normalizing.

  3. 3.

    The relationship of the fatigue-crack propagation resistance to mechanical properties is nonlinear and has an extreme. The maximum crack propagation resistance is observed in 20GL steel after hardening and tempering at 500°C.

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Authors
  1. M. I. Kornev
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  2. L. N. Kosarev
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Additional information

All-Union Scientific-Research Institute for Railroad Transport. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 8, pp. 8–12, August, 1983.

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Kornev, M.I., Kosarev, L.N. Influence of heat treatment on the cyclic crack resistance of low-carbon cast steels. Met Sci Heat Treat 25, 565–569 (1983). https://doi.org/10.1007/BF00741914

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  • DOI: https://doi.org/10.1007/BF00741914

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