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Effect of strain aging of the strength and toughness of pearlitic housing steel

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Strength of Materials Aims and scope

Conclusions

  1. 1.

    The effect of SA on steel 15Kh2NMFA is largest in the temperature range of 200–300o with aging for as long as 6 h.

  2. 2.

    The nonmonotonic change in strength during SA with increasing preliminary deformation may be due to a difference in the extent to which dislocations are pinned by interstitial impurities.

  3. 3.

    The change in the susceptibility of steel 15Kh2NMFA to embrittlement with increasing ε is due both to the dislocation-impurity interation (with small values of ε) and the interactions of dislocations (with large values of ε)

  4. 4.

    An increase in the ductility of steel 15Kh2NMFA in the original (undeformed) condition leads to greater embrittlement during SA due to the increasing susceptibility of the steel to strain hardening.

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Authors
  1. V. A. Yukhanov
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Additional information

Central Scientific-Research Institute of Heavy Machine Construction. Translated from Problemy Prochnosti, No. 6, pp. 118–121, June, 1978.

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Yukhanov, V.A. Effect of strain aging of the strength and toughness of pearlitic housing steel. Strength Mater 10, 732–735 (1978). https://doi.org/10.1007/BF01523915

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  • DOI: https://doi.org/10.1007/BF01523915

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