Influence of Ultrafine-Grained Structure of Martensitic and Austenitic Steels on Diffusion Processes at Low-Temperature Ion Nitriding

Uldash Gamirovich Khusainov; Kamil Nurulaeyevich Ramazanov; Roman Sergeevich Esipov

doi:10.4028/www.scientific.net/DDF.383.167

Paper Titles

In Situ XRD Experiments on the Growth of Expanded Austenite Using Different Process Gases
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Oxidation Kinetics of Nitrogen Doped TiO_2-δ Thin Films: Analysis on the Basis of Oxygen Activity Dependence of the Chemical Diffusion Coefficient
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Properties of Species Profiles during Oxygen Chemical Diffusion in Oxides
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Influence of Ion Nitriding Regimes on Diffusion Processes in Titanium Alloy Ti-6Al-4V
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Influence of Ultrafine-Grained Structure of Martensitic and Austenitic Steels on Diffusion Processes at Low-Temperature Ion Nitriding
p.167

Impact of a Constant Magnetic Field on Decomposition of Cu-Be-Ni-Based Solid Solution
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Manifestation of Magnetoplastic Effect in Some Metallic Alloys
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Resonant Behavior of Sn Diffusion Coefficient in α-Fe in Pulsed Magnetic Field at 730-750 °С
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Heat Transfer and Phase Formation through EBM 3D-Printing of Ti-6Al-4V Cylindrical Parts
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Influence of Ultrafine-Grained Structure of Martensitic and Austenitic Steels on Diffusion Processes at Low-Temperature Ion Nitriding

Abstract:

The paper discusses the influence of ultrafine-grained structure of martensitic and austenitic steels on diffusion processes at low-temperature ion nitriding. The microstructure of ultrafine-grained steels was analysed before and after nitriding. Depth distributions of microhardness are given depending on the class and structure of steels. The study proves that ultrafine-grained structure of steels obtained by high pressure deformation by torsion allows an increased growth rate of the diffusion layer at nitriding.

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Periodical:

Defect and Diffusion Forum (Volume 383)

Pages:

167-172

DOI:

https://doi.org/10.4028/www.scientific.net/DDF.383.167

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Online since:

February 2018

Authors:

Uldash Gamirovich Khusainov*, Kamil Nurulaeyevich Ramazanov, Roman Sergeevich Esipov

Keywords:

Austenitic Steel, High Pressure Deformation by Torsion, Low-Temperature Ion Nitriding, Martensitic Steel, Ultrafine-Grained Structure

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