Effect of austenite grain size on kinetics of dynamic ferrite transformation in low carbon steel

被引：18

作者：

Park, N. ^{[1
]}

Khamsuk, S. ^{[1
]}

Shibata, A. ^{[1
]}

Tsuji, N. ^{[1
]}

机构：

[1] Kyoto Univ, Dept Mat Sci & Engn, Sakyo Ku, Kyoto 6068501, Japan

来源：

SCRIPTA MATERIALIA | 2013年 / 68卷 / 08期

关键词：

Low-carbon steel; High-temperature deformation; Dynamic transformation; Phase transformation kinetics; Ferrite; ULTRAFINE FERRITE; STRAIN; DEFORMATION; RECRYSTALLIZATION; BEHAVIOR; AE(3); REFINEMENT; SIMULATION; SYSTEM; FLOW;

D O I：

10.1016/j.scriptamat.2012.12.021

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The effect of austenite grain size on kinetics of dynamic ferrite transformation above Ae(3) in a 6Ni-0.1C steel was studied. As the austenite grain size decreased, the onset of dynamic transformation was accelerated. The increase in the fraction of dynamically transformed ferrite was in good agreement with the change in flow stress, i.e. dynamic softening. The kinetics of dynamic transformation could be evaluated by an Avrami-type formula. (c) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.

引用

页码：611 / 614

页数：4

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