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Influence of phosphorous on the thermal embrittlement and fracture features of 10KhN1M steel

  • Constructional Steel
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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    Increasing the phosphorous content in 10KhN1M steel from 0.010 to 0.044% is accompanied by a significant increase in its tendency toward thermal embrittlement after hardening and tempering. The intensity of the increase in the brittleness transition temperature is significantly less for 10KhN1M steel than for 10KhSND steel.

  2. 2.

    The increase in the brittleness transition temperature is related to the increase in the share of intersubgranular—intergranular component in the brittle zone of the fracture. In the steel with 0.044% P the brittle fracture occurs preferentially in the former austenitic grain boundaries and in the steel with a lower (0.010%) phosphorous content primarily intersubgranular fracture is observed.

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Literature cited

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  5. V. I. Bogdanov et al., "The influence of P, V, and Mo on the tendency toward temper embrittlement of hardened and tempered 10KhSND steel," Metalloved. Term. Obrab. Met., No. 9, 16 (1979).

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Authors
  1. V. I. Bogdanov
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  2. V. M. Goritskii
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  3. Yu. I. Zvezdin
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Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 12, pp. 29–31, December, 1981.

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Bogdanov, V.I., Goritskii, V.M. & Zvezdin, Y.I. Influence of phosphorous on the thermal embrittlement and fracture features of 10KhN1M steel. Met Sci Heat Treat 23, 842–845 (1981). https://doi.org/10.1007/BF00712462

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  • DOI: https://doi.org/10.1007/BF00712462

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