Interaction of alloying elements with migrating ferrite/austenite interface

Goro MIYAMOTO; Tadashi FURUHARA

doi:10.2355/isijinternational.ISIJINT-2020-216

Interaction of alloying elements with migrating ferrite/austenite interface

Goro MIYAMOTO, Tadashi FURUHARA

IMR - Materials Design Division

Research output: Contribution to journal › Review article › peer-review

14 Citations (Scopus)

Abstract

Alloying elements greatly influence phase transformation kinetics in steel due to local partitioning and interfacial segregation to migrating interface and quantitative understanding of the alloying effects is a key for tailoring mechanical properties of modern high strength steels. Energy dissipation for interface migration is an important concept to understand the alloying effects and also to control carbon enrichment in untransformed austenite in multiphase high strength TRIP or DP steels. In this review, possible sources causing energy dissipation for interface migration are introduced and the energy dissipation for interface migration in formations of grain boundary ferrite (α), Widmanstatten α and bainitic α investigated in various systems are summarized.

Original language	English
Pages (from-to)	2942-2953
Number of pages	12
Journal	ISIJ International
Volume	60
Issue number	12
DOIs	https://doi.org/10.2355/isijinternational.ISIJINT-2020-216
Publication status	Published - 2020 Dec 15

Keywords

Bainite transformation
Energy dissipation
Ferrite transformation
Interfacial coherency
Local partitioning
Segregation
Solute drag effect

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10.2355/isijinternational.ISIJINT-2020-216

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title = "Interaction of alloying elements with migrating ferrite/austenite interface",

abstract = "Alloying elements greatly influence phase transformation kinetics in steel due to local partitioning and interfacial segregation to migrating interface and quantitative understanding of the alloying effects is a key for tailoring mechanical properties of modern high strength steels. Energy dissipation for interface migration is an important concept to understand the alloying effects and also to control carbon enrichment in untransformed austenite in multiphase high strength TRIP or DP steels. In this review, possible sources causing energy dissipation for interface migration are introduced and the energy dissipation for interface migration in formations of grain boundary ferrite (α), Widmanstatten α and bainitic α investigated in various systems are summarized.",

keywords = "Bainite transformation, Energy dissipation, Ferrite transformation, Interfacial coherency, Local partitioning, Segregation, Solute drag effect",

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T1 - Interaction of alloying elements with migrating ferrite/austenite interface

AU - MIYAMOTO, Goro

AU - FURUHARA, Tadashi

PY - 2020/12/15

Y1 - 2020/12/15

N2 - Alloying elements greatly influence phase transformation kinetics in steel due to local partitioning and interfacial segregation to migrating interface and quantitative understanding of the alloying effects is a key for tailoring mechanical properties of modern high strength steels. Energy dissipation for interface migration is an important concept to understand the alloying effects and also to control carbon enrichment in untransformed austenite in multiphase high strength TRIP or DP steels. In this review, possible sources causing energy dissipation for interface migration are introduced and the energy dissipation for interface migration in formations of grain boundary ferrite (α), Widmanstatten α and bainitic α investigated in various systems are summarized.

AB - Alloying elements greatly influence phase transformation kinetics in steel due to local partitioning and interfacial segregation to migrating interface and quantitative understanding of the alloying effects is a key for tailoring mechanical properties of modern high strength steels. Energy dissipation for interface migration is an important concept to understand the alloying effects and also to control carbon enrichment in untransformed austenite in multiphase high strength TRIP or DP steels. In this review, possible sources causing energy dissipation for interface migration are introduced and the energy dissipation for interface migration in formations of grain boundary ferrite (α), Widmanstatten α and bainitic α investigated in various systems are summarized.

KW - Bainite transformation

KW - Energy dissipation

KW - Ferrite transformation

KW - Interfacial coherency

KW - Local partitioning

KW - Segregation

KW - Solute drag effect

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Interaction of alloying elements with migrating ferrite/austenite interface

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Keywords

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