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Stability of Structure and Properties of Nitrogen High-Strength Austenitic Steels Under Cyclic Thermal and Mechanical Loads

  • HIGH-STRENGTH STEELS
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Metal Science and Heat Treatment Aims and scope

Stability of the structure and mechanical properties of high-strength cryogenic nonmagnetic steels 10Kh19G10N6AM2 and 09Kh19G10N6AM2D2 under long-term thermocycling and multicycle mechanical loading is investigated. The mechanical properties of the steels are determined by measuring the HV hardness and testing for tensile strength and impact bending. The phase compositions and the structures of the steels are studied by dilatometry, magnetometry and x-ray diffractometry after various impacts (thermocycling, fatigue loading, and final testing for determination of mechanical properties).

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The results described have been obtained within implementation of a State Assignment of the Ministry of Education and Science of Russia (RFMEF157514Kh0071).

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Authors and Affiliations

  1. National Research Technological University “MISiS”, Moscow, Russia

    L. M. Kaputkina, I. V. Smarygina, A. G. Svyazhin & V. E. Kindop

  2. A. A. Baikov Institute of Metallurgy and Materials Science of the Russian Academy of Sciences, Moscow, Russia

    E. V. Blinov

Authors
  1. L. M. Kaputkina
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  2. I. V. Smarygina
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  3. A. G. Svyazhin
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  4. V. E. Kindop
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  5. E. V. Blinov
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Correspondence to L. M. Kaputkina.

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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 1, pp. 3 – 9, January, 2019.

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Kaputkina, L.M., Smarygina, I.V., Svyazhin, A.G. et al. Stability of Structure and Properties of Nitrogen High-Strength Austenitic Steels Under Cyclic Thermal and Mechanical Loads. Met Sci Heat Treat 61, 3–9 (2019). https://doi.org/10.1007/s11041-019-00368-4

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  • DOI: https://doi.org/10.1007/s11041-019-00368-4

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