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Influence of treatment with rollers on the mechanical and technological properties of case-hardened steels

  • Strength Characteristics
  • Published:
Metal Science and Heat Treatment Aims and scope

Conclusions

  1. 1.

    Rolling with rollers of case-hardened quenched samples with notches increases the fatigue resistance of 12KhN3MA steel by 42% and that of 20KhN3A steel by 55%. Treatment at subzero temperature does not increase the fatigue resistance.

  2. 2.

    Tensile stress tests of samples with notches strengthened with rollers showed that the ultimate strength increases by 15%.

  3. 3.

    Rolling with rollers of case-hardened quenched samples with a surface layer having a preeutectoid carbon concentration increases the wear resistance by 30% on the average.

  4. 4.

    Rolling at pressures within a qide range improves the finish of the surface from ▽7 to ▽8.

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Literature cited

  1. G. N. Épshtein and I. V. Paisov, “Increase of the Strength of Case-Hardened Articles Rolled with Rollers,” Modern Scientific Technical and Industrial Experience, No. M-62-191/5 [in Russian], GOSINTI (1962).

  2. G. N. Epshtein and I. V. Paisov, MiTOM, No. 12 (1964).

  3. V. V. Nalimov, Use of Mathematical Statistics for Analysis of Substances [in Russian], Fizmatgiz (1960).

  4. G. N. Épshtein, Zavodskaya Laboratoriya, No. 9 (1957).

  5. G. N. Épshtein, “Parameters of the Process of Rolling with Rollers,” Col.: Transactions of VNIIBT, No. 7 [in Russian], Gostoptekhizdat, Moscow (1962).

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Authors and Affiliations

  1. Moscow Institute of Steel and Alloys, Moscow, USSR

    G. N. Épshtein

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  1. G. N. Épshtein
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 3, pp. 6–10, March, 1966

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Épshtein, G.N. Influence of treatment with rollers on the mechanical and technological properties of case-hardened steels. Met Sci Heat Treat 8, 181–184 (1966). https://doi.org/10.1007/BF00660381

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  • DOI: https://doi.org/10.1007/BF00660381

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