EBSD анализ микроструктуры аустенитной стали после прокатки в криогенных условиях

Translated title of the contribution: EBSD analysis of austenite steel microstructure after cryogenic rolling

Ainur Aletdinov, Sergey Mironov, Galia Korznikova, Rida Zaripova, Tatyana Konkova, Michail Myshlyaev

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Abstract

This work is based on the use of electron backscatter diffraction (EBSD) methods to investigate the microstructure of metastable austeniticsteel 12X18H10T (321) after cryogenic rolling. Cryogenic deformation was accompanied by martensitic transformations, and the martensitic phase nucleation mainly in deformation bands. It is assumed that the proceeding of the martensitic transformation in the most deformed parts of the microstructure should prevent the evolution of deformation-induced boundaries in the austenite and, thus, inhibit the process of fragmentation of this phase. Mechanical twinning was the primary (or even sole) mechanism providing HAB formation in the austenite.
Translated title of the contributionEBSD analysis of austenite steel microstructure after cryogenic rolling
Original languageRussian
Pages (from-to)29-40
Number of pages12
JournalMaterials Physics and Mechanics
Volume33
Issue number1
DOIs
Publication statusPublished - 30 Dec 2017

Keywords

  • austenitic steel
  • cryogenic rolling
  • EBSD
  • grain boundaries
  • martensite
  • microstructure

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