Transition from diffusive to displacive austenite reversion in low-alloy steel

Nobuo Nakada; Toshihiro Tsuchiyama; Setsuo Takaki; Dirk Ponge; Dierk Raabe

doi:10.2355/isijinternational.53.2275

Transition from diffusive to displacive austenite reversion in low-alloy steel

Nobuo Nakada, Toshihiro Tsuchiyama, Setsuo Takaki, Dirk Ponge, Dierk Raabe

Materials Processing

Research output: Contribution to journal › Article › peer-review

27 Citations (Scopus)

Abstract

For understanding the transition from diffusive to displacive austenite reversion mechanism in steel, the effect of heating rate on austenite reversion behavior was investigated in 0.15%C- 5%Mn steel. Austenite reversion temperature first increased gradually with the heating rate owing to the superheating effect and then remained at a constant temperature above a critical heating rate. In response, the austenite formed by rapid heating exhibited a coarse prior austenite grain structure, indicating the occurrence of displacive reversion even in low-alloy steel.

Original language	English
Pages (from-to)	2275-2277
Number of pages	3
Journal	isij international
Volume	53
Issue number	12
DOIs	https://doi.org/10.2355/isijinternational.53.2275
Publication status	Published - 2013

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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abstract = "For understanding the transition from diffusive to displacive austenite reversion mechanism in steel, the effect of heating rate on austenite reversion behavior was investigated in 0.15%C- 5%Mn steel. Austenite reversion temperature first increased gradually with the heating rate owing to the superheating effect and then remained at a constant temperature above a critical heating rate. In response, the austenite formed by rapid heating exhibited a coarse prior austenite grain structure, indicating the occurrence of displacive reversion even in low-alloy steel.",

author = "Nobuo Nakada and Toshihiro Tsuchiyama and Setsuo Takaki and Dirk Ponge and Dierk Raabe",

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AU - Nakada, Nobuo

AU - Tsuchiyama, Toshihiro

AU - Takaki, Setsuo

AU - Ponge, Dirk

AU - Raabe, Dierk

PY - 2013

Y1 - 2013

N2 - For understanding the transition from diffusive to displacive austenite reversion mechanism in steel, the effect of heating rate on austenite reversion behavior was investigated in 0.15%C- 5%Mn steel. Austenite reversion temperature first increased gradually with the heating rate owing to the superheating effect and then remained at a constant temperature above a critical heating rate. In response, the austenite formed by rapid heating exhibited a coarse prior austenite grain structure, indicating the occurrence of displacive reversion even in low-alloy steel.

AB - For understanding the transition from diffusive to displacive austenite reversion mechanism in steel, the effect of heating rate on austenite reversion behavior was investigated in 0.15%C- 5%Mn steel. Austenite reversion temperature first increased gradually with the heating rate owing to the superheating effect and then remained at a constant temperature above a critical heating rate. In response, the austenite formed by rapid heating exhibited a coarse prior austenite grain structure, indicating the occurrence of displacive reversion even in low-alloy steel.

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