Fine structure and phase composition of Fe–14Mn–1.2C steel: influence of a modified mixture based on refractory metals

Anna Zykova, Natalya Popova, Mark Kalashnikov, Irina Kurzina

Результат исследований: Материалы для журналаСтатья

Выдержка

The effect of TiO2, ZrO2 and Na3AlF6 ultrafine powders on the fine structure and the phase composition of Fe–14Mn–1.2C steel was investigated. The introduction of the ultrafine powders into the melt influenced the grain size, the quantity, and the character of distribution of nonmetallic inclusions in the railroad frogs. The microstructure of castings was improved significantly because of the refinement of the grain structure and an increase of the grain-boundary area. After the modifying mixture was introduced into the melt, either the microtwins of one or two intersecting systems or the precipitations of ε-martensite of different types, or simultaneously the microtwins and wafers of ε-martensite, were present in each grain.

Язык оригиналаАнглийский
Страницы (с-по)523-529
Число страниц7
ЖурналInternational Journal of Minerals, Metallurgy and Materials
Том24
Номер выпуска5
DOI
СостояниеОпубликовано - 1 мая 2017

Отпечаток

Refractory metals
Steel
Phase composition
Martensite
Powders
steel
melt
metal
Crystal microstructure
Railroads
grain boundary
frog
microstructure
Grain boundaries
grain size
Microstructure
Ultrafine
Castings
distribution
effect

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering
  • Geochemistry and Petrology
  • Metals and Alloys
  • Materials Chemistry

Цитировать

Fine structure and phase composition of Fe–14Mn–1.2C steel : influence of a modified mixture based on refractory metals. / Zykova, Anna; Popova, Natalya; Kalashnikov, Mark; Kurzina, Irina.

В: International Journal of Minerals, Metallurgy and Materials, Том 24, № 5, 01.05.2017, стр. 523-529.

Результат исследований: Материалы для журналаСтатья

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