Effect of Martensitizing Temperature on Creep Strength of Modified 9Cr Steel
-
- Tamura Manabu
- Department of Materials Science and Engineering, National Defense Academy
-
- Kumagai Takuya
- Department of Materials Science and Engineering, National Defense Academy
-
- Miura Nobuhiro
- Department of Mechanical Systems Engineering, National Defense Academy
-
- Kondo Yoshihiro
- Department of Mechanical Systems Engineering, National Defense Academy
-
- Shinozuka Kei
- Department of Materials Science and Engineering, National Defense Academy
-
- Esaka Hisao
- Department of Materials Science and Engineering, National Defense Academy
この論文をさがす
抄録
A modified 9Cr-1Mo steel was cooled to a temperature between the Ms point and room temperature from the normalizing temperature and then directly heated to the tempering temperature. It was found that the time to rupture at 650 and 700°C of the steel heat-treated by the new heat treatment increased 2–3 times longer than that of the steel conventionally normalized and tempered. The microstructure of the improved steel was tempered martensite and the size of martensite blocks was larger than for the conventional heat treatment. The hardness of the improved steel was fully recovered after tempering. This strengthening is not caused by fresh martensite, but caused by the refining of M23C6 and V(C,N) particles in addition to the increase in the martesite block size, where M denotes metallic elements.
収録刊行物
-
- MATERIALS TRANSACTIONS
-
MATERIALS TRANSACTIONS 52 (4), 691-698, 2011
公益社団法人 日本金属学会
- Tweet
詳細情報 詳細情報について
-
- CRID
- 1390282679226298240
-
- NII論文ID
- 10028175291
- 130004454693
-
- NII書誌ID
- AA1151294X
-
- ISSN
- 13475320
- 13459678
-
- NDL書誌ID
- 11058309
-
- 本文言語コード
- en
-
- データソース種別
-
- JaLC
- NDL
- Crossref
- CiNii Articles
-
- 抄録ライセンスフラグ
- 使用不可