COMBINED PLASMA AND THERMAL TREATMENT OF THE NbC/AISI T1 STEEL SYSTEM

Nikolai N. Cherenda; Vladimir  V. Uglov; A. M.  Kashevski; Valiantsin M. Astashynski; Anton M. Kuzmitski; Gennadii E. Remnev

doi:10.1615/HighTempMatProc.2018025843

High Temperature Material Processes: An International Quarterly of High-Technology Plasma Processes

編集長s: Valiantsin M. Astashynski (open in a new tab) Andrey V. Gusarov (open in a new tab)

編集アソシエイト: Nikolai N. Cherenda (open in a new tab)

年間 4 号発行

ISSN 印刷: 1093-3611

ISSN オンライン: 1940-4360

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COMBINED PLASMA AND THERMAL TREATMENT OF THE NbC/AISI T1 STEEL SYSTEM

巻 21, 発行 4, 2017, pp. 333-343

DOI: 10.1615/HighTempMatProc.2018025843

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Nikolai N. Cherenda
Belarusian State University, Physics Faculty, 4 Nezavisimost Ave., Minsk, 220030, Belarus; South Ural State University, 76 Lenin Ave., Chelyabinsk, 454080, Russia

Vladimir V. Uglov
Belarusian State University, Minsk, 220030, Belarus; National Research Tomsk State University, Tomsk, 634050, Russia

A. M. Kashevski
Belarusian State University, 4 Nezavisimost Ave., Minsk, 220030, Belarus

Valiantsin M. Astashynski
A.V. Luikov Heat and Mass Transfer Institute, National Academy of Sciences of Belarus, 15 P. Brovka Str., Minsk, 220072, Belarus; National Research Nuclear University "MEPhI" (Moscow Engineering Physics Institute), 31 Kashirskoe Highway, Moscow, 115409, Russia

Anton M. Kuzmitski
A. V. Luikov Heat and Mass Transfer Institute, National Academy of Sciences of Belarus, 15, P. Brovki Str, Minsk 220072, Belarus

Gennadii E. Remnev
National Research Tomsk Polytechnic University, 2a Lenin Ave., Tomsk, 634050, Russia

要約

Combined plasma and thermal treatment of the NbC/AISI T1 steel system was carried out to improve the strength characteristics of T1 steel. The X-ray diffraction analysis, scanning electron microscopy, energy dispersion microanalysis, and microhardness measurements were used for investigation of the modified layer structure and properties. The findings showed that the treatment of the NbC/T1 steel system by compression plasma flows generated in nitrogen atmosphere led to the dissolution of carbides, formation of ε-NbN nitride, and to a decrease in the steel microhardness. Subsequent annealing in air of a plasma-treated sample for 9 h at a temperature of 600°C resulted in a 1.3 times increase of microhardness compared to the initial steel sample.

キーワード: AISI T1 high-speed steel, compression plasma flows, annealing, carbide, phase transformations, microhardness

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COMBINED PLASMA AND THERMAL TREATMENT OF THE NbC/AISI T1 STEEL SYSTEM

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