Abstract
The effects of carbon on reversion behavior of metastable austenitic stainless steel were investigated using a 16.2% Cr- 8.8% Ni- 0.11% C steel. The steel used almost transforms to lath martensite (α′) from austenite (γ) by 90% cold rolling. The steel completely reverses on 923 K-10s annealing. However, isothermal α′ is produced on subsequent aging at room temperature (290 K) in case of more than 0.1 ks in 923 K isothermal annealing, and at 900 K and above in 0.6 ks isochronal annealing. In 923 K annealing, carbide precipitation occurred in preference to reversion. The carbide tends to retard a martensitic reversion and accelerated a diffusional reversion inversely. The grain size of γ reversed by a diffusional reversion at 923 K annealing is 0.2 μm dia. The carbide is effective for refining the grain by reversion.
| Original language | English |
|---|---|
| Pages (from-to) | 1186-1192 |
| Number of pages | 7 |
| Journal | Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan |
| Volume | 75 |
| Issue number | 7 |
| DOIs | |
| Publication status | Published - Jan 1 1989 |
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All Science Journal Classification (ASJC) codes
- Condensed Matter Physics
- Physical and Theoretical Chemistry
- Metals and Alloys
- Materials Chemistry
Cite this
Effect of carbon on α′→γ reversion of metastable austenitic stainless steels. / Tomimura, Kouki; Oku, Manabu; Takaki, Setsuo; Tokunaga, Youichi.
In: Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan, Vol. 75, No. 7, 01.01.1989, p. 1186-1192.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Effect of carbon on α′→γ reversion of metastable austenitic stainless steels
AU - Tomimura, Kouki
AU - Oku, Manabu
AU - Takaki, Setsuo
AU - Tokunaga, Youichi
PY - 1989/1/1
Y1 - 1989/1/1
N2 - The effects of carbon on reversion behavior of metastable austenitic stainless steel were investigated using a 16.2% Cr- 8.8% Ni- 0.11% C steel. The steel used almost transforms to lath martensite (α′) from austenite (γ) by 90% cold rolling. The steel completely reverses on 923 K-10s annealing. However, isothermal α′ is produced on subsequent aging at room temperature (290 K) in case of more than 0.1 ks in 923 K isothermal annealing, and at 900 K and above in 0.6 ks isochronal annealing. In 923 K annealing, carbide precipitation occurred in preference to reversion. The carbide tends to retard a martensitic reversion and accelerated a diffusional reversion inversely. The grain size of γ reversed by a diffusional reversion at 923 K annealing is 0.2 μm dia. The carbide is effective for refining the grain by reversion.
AB - The effects of carbon on reversion behavior of metastable austenitic stainless steel were investigated using a 16.2% Cr- 8.8% Ni- 0.11% C steel. The steel used almost transforms to lath martensite (α′) from austenite (γ) by 90% cold rolling. The steel completely reverses on 923 K-10s annealing. However, isothermal α′ is produced on subsequent aging at room temperature (290 K) in case of more than 0.1 ks in 923 K isothermal annealing, and at 900 K and above in 0.6 ks isochronal annealing. In 923 K annealing, carbide precipitation occurred in preference to reversion. The carbide tends to retard a martensitic reversion and accelerated a diffusional reversion inversely. The grain size of γ reversed by a diffusional reversion at 923 K annealing is 0.2 μm dia. The carbide is effective for refining the grain by reversion.
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UR - http://www.scopus.com/inward/citedby.url?scp=0024702166&partnerID=8YFLogxK
U2 - 10.2355/tetsutohagane1955.75.7_1186
DO - 10.2355/tetsutohagane1955.75.7_1186
M3 - Article
AN - SCOPUS:0024702166
VL - 75
SP - 1186
EP - 1192
JO - Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
JF - Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan
SN - 0021-1575
IS - 7
ER -