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Characteristic features of the effect of epitaxial ferrite on the properties of low-alloy ferriticmartensitic steel

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Conclusions

  1. 1.

    The formation of epitaxial ferrite on cooling from temperatures of the intercritical interval contributes to an increase in plasticity and a reduction in the strength properties of two-phase steels.

  2. 2.

    Together with the volume percentage of epitaxial ferrite, the morphology of its initiation and growth exerts a significant influence on the properties of ferritic-martensitic steels. In this case, the most striking variation in properties is associated with the formation of epitaxial ferrite along the grain boundaries of the initial, old ferrite.

  3. 3.

    With a simultaneous variation in the volume percentages of martensite and epitaxial ferrite, the latter does not significantly affect the ultimate tensile strength; it does, however, contribute to a reduction in the yield point of the steel.

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Authors
  1. M. I. Gol'dshtein
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  2. B. M. Bronfin
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  3. A. A. Emel'yanov
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Additional information

Ural Polytechnic Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 5, pp. 51–54, May, 1985.

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Gol'dshtein, M.I., Bronfin, B.M. & Emel'yanov, A.A. Characteristic features of the effect of epitaxial ferrite on the properties of low-alloy ferriticmartensitic steel. Met Sci Heat Treat 27, 375–380 (1985). https://doi.org/10.1007/BF00693380

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