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Microstructure Evolution in Belt-Casted Strip of Grain Oriented Electrical Steel

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27360%2F19%3A10243662" target="_blank" >RIV/61989100:27360/19:10243662 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.scientific.net/KEM.810.82" target="_blank" >https://www.scientific.net/KEM.810.82</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.4028/www.scientific.net/KEM.810.82" target="_blank" >10.4028/www.scientific.net/KEM.810.82</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Microstructure Evolution in Belt-Casted Strip of Grain Oriented Electrical Steel

  • Original language description

    Rozpad austenitu začíná vznikem epitaxiálního ferituThis paper deals with the formation and decomposition of Widmanstätten austenite during solidification of the thin belt-casted strip made of a grain oriented electrical steel (GOES). Solidification of liquid steel starts with the formation of δ-ferrite. Cooling in the δ + γ phase field results in the formation of a small fraction of Widmanstätten austenite by displacive transformation accompanied by carbon partition. Widmanstätten austenite laths have an orientation relationship with the ferrite grain into which they grow. Furthermore, they form a flat low energy interface along the ferrite grain boundary. In order to minimize the interfacial energy, ferrite grain boundaries in the vicinity of flat austenite/ferrite interface facets are forced to migrate which results in straightening of these grain boundaries. If parallel Widmanstätten austenite laths form in two adjacent ferrite grains, zig-zag ferrite grain boundaries arise. Precipitation of sulphides along ferrite/austenite interfaces make it possible to study the early stages of austenite decomposition under the δ + γ phase field. It starts with the formation of epitaxial ferrite accompanied by further partitioning of carbon into remaining austenite. The growth of epitaxial ferrite into the flat ferrite/austenite interface facets along ferrite grain boundaries results in a wavy shape of these ferrite grain boundaries. Finally austenite transforms either to pearlite or to plate martensite.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20500 - Materials engineering

Result continuities

  • Project

    <a href="/en/project/LO1203" target="_blank" >LO1203: Regional Materials Science and Technology Centre - Feasibility Program</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2019

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Key Engineering Materials. Volume 810

  • ISBN

    978-3-0357-1447-0

  • ISSN

    1013-9826

  • e-ISSN

    1662-9795

  • Number of pages

    7

  • Pages from-to

    82-88

  • Publisher name

    Trans Tech Publications

  • Place of publication

    Curych

  • Event location

    Ostrava

  • Event date

    Sep 10, 2018

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article