Effect of austenite grain size on the transformation kinetics of upper and lower bainite in a low-alloy steel

Seok Jae Lee; June Soo Park; Young Kook Lee

doi:10.1016/j.scriptamat.2008.02.036

Effect of austenite grain size on the transformation kinetics of upper and lower bainite in a low-alloy steel

Seok Jae Lee
, June Soo Park
, Young Kook Lee^*

^*Corresponding author for this work

Metallurgical System Engineering

Yonsei University

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

143 Scopus citations

Abstract

The effect of austenite grain size on the continuous cooling transformation kinetics of upper and lower bainite in a low-alloy steel has been investigated using a dilatometer. The transition temperature between upper and lower bainite is almost constant (430 °C) irrespective of the grain size. The transformation rate of upper bainite increased with a decrease in grain size. The instantaneous transformation rate of lower bainite at each volume fraction is not related to the austenite grain size.

Original language	English
Pages (from-to)	87-90
Number of pages	4
Journal	Scripta Materialia
Volume	59
Issue number	1
DOIs	https://doi.org/10.1016/j.scriptamat.2008.02.036
State	Published - 2008.07

Keywords

Austenite grain size
Lower bainite
Transformation kinetics
Upper bainite

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10.1016/j.scriptamat.2008.02.036

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title = "Effect of austenite grain size on the transformation kinetics of upper and lower bainite in a low-alloy steel",

abstract = "The effect of austenite grain size on the continuous cooling transformation kinetics of upper and lower bainite in a low-alloy steel has been investigated using a dilatometer. The transition temperature between upper and lower bainite is almost constant (430 °C) irrespective of the grain size. The transformation rate of upper bainite increased with a decrease in grain size. The instantaneous transformation rate of lower bainite at each volume fraction is not related to the austenite grain size.",

keywords = "Austenite grain size, Lower bainite, Transformation kinetics, Upper bainite",

author = "Lee, \{Seok Jae\} and Park, \{June Soo\} and Lee, \{Young Kook\}",

year = "2008",

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T1 - Effect of austenite grain size on the transformation kinetics of upper and lower bainite in a low-alloy steel

AU - Lee, Seok Jae

AU - Park, June Soo

AU - Lee, Young Kook

PY - 2008/7

Y1 - 2008/7

N2 - The effect of austenite grain size on the continuous cooling transformation kinetics of upper and lower bainite in a low-alloy steel has been investigated using a dilatometer. The transition temperature between upper and lower bainite is almost constant (430 °C) irrespective of the grain size. The transformation rate of upper bainite increased with a decrease in grain size. The instantaneous transformation rate of lower bainite at each volume fraction is not related to the austenite grain size.

AB - The effect of austenite grain size on the continuous cooling transformation kinetics of upper and lower bainite in a low-alloy steel has been investigated using a dilatometer. The transition temperature between upper and lower bainite is almost constant (430 °C) irrespective of the grain size. The transformation rate of upper bainite increased with a decrease in grain size. The instantaneous transformation rate of lower bainite at each volume fraction is not related to the austenite grain size.

KW - Austenite grain size

KW - Lower bainite

KW - Transformation kinetics

KW - Upper bainite

UR - https://www.scopus.com/pages/publications/43049095630

U2 - 10.1016/j.scriptamat.2008.02.036

DO - 10.1016/j.scriptamat.2008.02.036

M3 - Journal article

AN - SCOPUS:43049095630

SN - 1359-6462

VL - 59

SP - 87

EP - 90

JO - Scripta Materialia

JF - Scripta Materialia

IS - 1

ER -

Effect of austenite grain size on the transformation kinetics of upper and lower bainite in a low-alloy steel

Abstract

Keywords

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