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Characteristic features of the structural condition of the surface layer of steel 11Kh18M

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Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    Studies of the parameters of electron emission, resistance to microplastic deformation, and special metallographic analysis indicate the formation of a surface layer with qualitatively new properties after final machining of steel 11Kh18M.

  2. 2.

    After grinding, emission peaks are observed in the low-temperature range, evidently due to increasing microstresses at the boundary between (Fe, Cr)7C3 carbide and the matrix.

  3. 3.

    Polishing leads to a more substantial change in the energy conditions of the surface layer of steel 11Kh18M, which is indicated by the number of electron emission peaks and their height.

  4. 4.

    Steel 11Kh18M tempered at 420° for 5 h after quenching is characterized by a more stable surface layer than after tempering at 150° for 3 h.

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Literature cited

  1. V. S. Kortov and R. I. Mints, "Device for studying deformed surfaces of metals", Zavod. Lab., No. 9, 114 (1966).

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  2. Electron Emission [Russian translation], IL (1962), p. 9.

  3. Investigation of the Surface of Structural Materials by the Electron Emission Method [in Russian], Trudy UPI, No. 177, Sverdlovsk (1969), p. 153.

  4. V. S. Kortov and R. I. Mints, "Effect of the character of surface treatment on electron emission of metals", Fiz. i Khim. Obrabotki Mat., No. 1, 49 (1968).

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Authors
  1. A. G. Ran'kova
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  2. V. S. Kortov
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  3. M. L. Khenkin
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  4. A. I. Gaprindashvili
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  5. G. M. Guseva
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Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 8, pp. 71–73, August, 1974.

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Ran'kova, A.G., Kortov, V.S., Khenkin, M.L. et al. Characteristic features of the structural condition of the surface layer of steel 11Kh18M. Met Sci Heat Treat 16, 709–712 (1974). https://doi.org/10.1007/BF00658445

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  • DOI: https://doi.org/10.1007/BF00658445

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