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Problems of Weldability of Parts Made of Austinitic Steel 12Kh18N10T and the Precision Alloy 29NK

  • WELDED JOINTS
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Metal Science and Heat Treatment Aims and scope

Welded joints of parts made of austenitic steel 12Kh18N10T and the precision alloy 29NK in which defects in the form of cracks arise are studied. It is established that the welds appears to be inhomogeneous in terms of chemical composition and grain size. It is shown that different factors that determine the magnitude of the stresses and deformations in welded joints influence the formation of cracks.

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Notes

  1. The electron microscopic investigations were performed at the Center of Electron Microscopy of the Institute of Physics of Metals, Ural Division, Russian Academy of Sciences. The authors wish to express their gratitude to N. V. Nikolaeva for conducting the structural investigations on a scanning microscope.

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The study was carried out in the topic “Structure” as well as with the partial financial support of Grant 12-03-0050-a from the Russian Foundation for Basic Research and Project 12-U-2-1022 of the Presidium of the Ural Division of the Russian Academy of Sciences.

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Authors and Affiliations

  1. Institute of Physics of Metals, Ural Division, Russian Academy of Sciences, Ekaterinburg, Russia

    Yu. V. Kaletina & E. D. Efimova

  2. FGUP Ural Electromechanical Factory, Ekaterinburg, Russia

    M. K. Romanov

Authors
  1. Yu. V. Kaletina
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  2. E. D. Efimova
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  3. M. K. Romanov
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Corresponding author

Correspondence to Yu. V. Kaletina.

Additional information

Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 6, pp. 26 – 29, June, 2014.

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Kaletina, Y.V., Efimova, E.D. & Romanov, M.K. Problems of Weldability of Parts Made of Austinitic Steel 12Kh18N10T and the Precision Alloy 29NK. Met Sci Heat Treat 56, 306–309 (2014). https://doi.org/10.1007/s11041-014-9751-8

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  • DOI: https://doi.org/10.1007/s11041-014-9751-8

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