Surface gradient structure-phase states formation under differentiated quenching of 100 meter rails

K. V. Volkov, V. E. Gromov, K. V. Morozov, Yu F. Ivanov, D. A. Romanov, K. V. Alsaraeva

Результат исследований: Материалы для журналаСтатья

Выдержка

Using transmission electron microscopy methods the layer by layer analysis of rails differentially quenched in different regimes is carried out on different scale levels. It is shown that the differentiated quenching of rails is accompanied by the formation of morphologically different structure, being produced according to the diffusion mechanism of γ-α transformation and consisting of plate perlite grains, free ferrite grains and grains of ferrite-carbide mixture. The gradient character of the changing of structure, phase composition and dislocation substructure parameters in the surface layer of rails head is established. It is revealed that the interfaces between globular cementite particles-matrix are the most dangerous stress concentrators.

Язык оригиналаАнглийский
Страницы (с-по)1345-1350
Число страниц6
ЖурналJournal of Surface Investigation
Том8
Номер выпуска6
DOI
СостояниеОпубликовано - 1 янв 2014

Отпечаток

Phase structure
Rails
Quenching
Ferrite
Phase composition
Carbides
Transmission electron microscopy

ASJC Scopus subject areas

  • Surfaces, Coatings and Films

Цитировать

Surface gradient structure-phase states formation under differentiated quenching of 100 meter rails. / Volkov, K. V.; Gromov, V. E.; Morozov, K. V.; Ivanov, Yu F.; Romanov, D. A.; Alsaraeva, K. V.

В: Journal of Surface Investigation, Том 8, № 6, 01.01.2014, стр. 1345-1350.

Результат исследований: Материалы для журналаСтатья

Volkov, K. V. ; Gromov, V. E. ; Morozov, K. V. ; Ivanov, Yu F. ; Romanov, D. A. ; Alsaraeva, K. V. / Surface gradient structure-phase states formation under differentiated quenching of 100 meter rails. В: Journal of Surface Investigation. 2014 ; Том 8, № 6. стр. 1345-1350.
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AU - Romanov, D. A.

AU - Alsaraeva, K. V.

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