Austenite stability of ultrafine-grained transformation-induced plasticity steel with Mn partitioning

Seawoong Lee; Seok Jae Lee; Bruno C. De Cooman

doi:10.1016/j.scriptamat.2011.04.010

Austenite stability of ultrafine-grained transformation-induced plasticity steel with Mn partitioning

Seawoong Lee
, Seok Jae Lee^*
, Bruno C. De Cooman

^*Corresponding author for this work

Metallurgical System Engineering

Pohang University of Science and Technology

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

414 Scopus citations

Abstract

The factors leading to the room temperature stabilization of austenite were investigated for an ultrafine-grained 6 mass% Mn transformation-induced plasticity steel. The size effect of ultrafine austenite grain and the partitioning of Mn to austenite during intercritical annealing were the two main contributions to the austenite stability. Mechanical stabilization of the austenite was not a factor contributing to the austenite stability due to the very low dislocation density of the austenite grains.

Original language	English
Pages (from-to)	225-228
Number of pages	4
Journal	Scripta Materialia
Volume	65
Issue number	3
DOIs	https://doi.org/10.1016/j.scriptamat.2011.04.010
State	Published - 2011.08

Keywords

Austenite stability
Grain size
Mn partitioning
Retained austenite
Transformation-induced plasticity (TRIP)

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10.1016/j.scriptamat.2011.04.010

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title = "Austenite stability of ultrafine-grained transformation-induced plasticity steel with Mn partitioning",

abstract = "The factors leading to the room temperature stabilization of austenite were investigated for an ultrafine-grained 6 mass\% Mn transformation-induced plasticity steel. The size effect of ultrafine austenite grain and the partitioning of Mn to austenite during intercritical annealing were the two main contributions to the austenite stability. Mechanical stabilization of the austenite was not a factor contributing to the austenite stability due to the very low dislocation density of the austenite grains.",

keywords = "Austenite stability, Grain size, Mn partitioning, Retained austenite, Transformation-induced plasticity (TRIP)",

author = "Seawoong Lee and Lee, \{Seok Jae\} and \{De Cooman\}, \{Bruno C.\}",

year = "2011",

month = aug,

doi = "10.1016/j.scriptamat.2011.04.010",

language = "English",

volume = "65",

pages = "225--228",

journal = "Scripta Materialia",

issn = "1359-6462",

number = "3",

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TY - JOUR

T1 - Austenite stability of ultrafine-grained transformation-induced plasticity steel with Mn partitioning

AU - Lee, Seawoong

AU - Lee, Seok Jae

AU - De Cooman, Bruno C.

PY - 2011/8

Y1 - 2011/8

N2 - The factors leading to the room temperature stabilization of austenite were investigated for an ultrafine-grained 6 mass% Mn transformation-induced plasticity steel. The size effect of ultrafine austenite grain and the partitioning of Mn to austenite during intercritical annealing were the two main contributions to the austenite stability. Mechanical stabilization of the austenite was not a factor contributing to the austenite stability due to the very low dislocation density of the austenite grains.

AB - The factors leading to the room temperature stabilization of austenite were investigated for an ultrafine-grained 6 mass% Mn transformation-induced plasticity steel. The size effect of ultrafine austenite grain and the partitioning of Mn to austenite during intercritical annealing were the two main contributions to the austenite stability. Mechanical stabilization of the austenite was not a factor contributing to the austenite stability due to the very low dislocation density of the austenite grains.

KW - Austenite stability

KW - Grain size

KW - Mn partitioning

KW - Retained austenite

KW - Transformation-induced plasticity (TRIP)

UR - https://www.scopus.com/pages/publications/79957447358

U2 - 10.1016/j.scriptamat.2011.04.010

DO - 10.1016/j.scriptamat.2011.04.010

M3 - Journal article

AN - SCOPUS:79957447358

SN - 1359-6462

VL - 65

SP - 225

EP - 228

JO - Scripta Materialia

JF - Scripta Materialia

IS - 3

ER -

Austenite stability of ultrafine-grained transformation-induced plasticity steel with Mn partitioning

Abstract

Keywords

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