Effects of Ti Addition on Austenite Grain Growth during Reheating of As-Cast 0.2 mass% Carbon Steel

Ohno, Munekazu; Murakami, Chihiro; Matsuura, Kiyotaka et al.

ISIJ International, 2012, 52(10), 1832-1840

Permalink : https://hdl.handle.net/2115/75398

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アクセス権
open access
URI
https://hdl.handle.net/2115/75398
タイトル
Effects of Ti Addition on Austenite Grain Growth during Reheating of As-Cast 0.2 mass% Carbon Steel
著者
Ohno, Munekazu ; Murakami, Chihiro ; Matsuura, Kiyotaka ; Isobe, Kohichi
e-Rad_Researcher
30431331
著者名
Ohno, Munekazu
著者名
Murakami, Chihiro
e-Rad_Researcher
60142692
著者名
Matsuura, Kiyotaka
著者名
Isobe, Kohichi
言語
英語
キーワード
austenite grain structure
pinning effect
reverse transformation
casting
grain growth
発行日
2012-10
出版者
Iron and Steel Institute of Japan
日本鉄鋼協会
収録物名
ISIJ International
巻(号)
52(10)
ページ
1832-1840
抄録
Effects of Ti addition on grain growth in reversely-transformed austenite structure during reheating of the as-cast 0.2 mass% C steel have been investigated for a Ti concentration range between 0 and 0.2 mass% and heating rates from 0.014 to 2.5°C/s. The austenite grain growth during reheating is retarded by the Ti addition and such an effect becomes stronger with the addition of higher amount of Ti. This retarding effect is ascribable to the pinning effect of fine Ti(C,N) particles which should precipitate from the as-cast structure during the reheating process. The experimental results on the grain growth behavior are well explained by the grain growth model including the Zener force and counting reduction of the pinning effect due to the existence of the coarse Ti(C,N) particles crystallized during the solidification.
資源タイプ
学術雑誌論文
出版タイプ
Version of Record
権利情報
著作権は日本鉄鋼協会にある
PISSN
0915-1559
EISSN
1347-5460
NCID
AA10680712
関連情報 (isIdenticalTo)
出版社版DOI
https://doi.org/10.2355/isijinternational.52.1832