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Metallurgist

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Quantitative Analysis of Carbide Phases in Medium-Carbon Steel After Low-Temperature Tempering

  • V. V. RyabovEmail author
  • E. I. Khlusova
  • A. A. Zisman
  • S. V. Rogozhkin
  • A. A. Nikitin
  • A. A. Luk’yanchuk
Article
  • 2 Downloads

Structural features of high-strength wear-resistant steel formed after tempering at different temperatures are investigated. Temperature dependences are determined for steel hardness and impact strength. Temperature ranges are recorded for intermediate carbide formation, cementite particle formation, and residual austenite decomposition. The lath structure and carbide particle distribution are analyzed using transmission electron microscopy. Neutron diffraction is used to study the dependence of the proportion of retained austenite on temperature. Atom probe tomography is used to analyze micro-inhomogeneity in carbon and alloying element distribution.

Keywords

medium carbon steels carbides martensite neutron diffraction atom probe tomography 

Notes

Experimental research was carried on equipment of the Center for Collective Usage for Scientific Equipment “Composition, structure and properties of structural materials NITs Kurchatov Institute – TsNII KM Prometei with financial support of the state in the name of the Ministry of Education and Science within the scope of an agreement No. 14.595.21.0004, unique identifier RFMEF159517X0004. Tomographic atom probe analysis was conducted on equipment of the KAMIKS (http://kamiks.itep.ru/) NITs Kurchatov Institute – ITÉF.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • V. V. Ryabov
    • 1
    Email author
  • E. I. Khlusova
    • 1
  • A. A. Zisman
    • 1
  • S. V. Rogozhkin
    • 2
    • 3
  • A. A. Nikitin
    • 2
    • 3
  • A. A. Luk’yanchuk
    • 2
  1. 1.NITs Kurchatov Institute – TsNII KM PrometeiSt. PetersburgRussia
  2. 2.NITs Kurchatov Institute – ITÉFMoscowRussia
  3. 3.National Research Nuclear University MIFIMoscowRussia

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