Creep mechanism of highly purified V-4Cr-4Ti alloys during thermal creep in a vacuum

Material type: 文書・図像類

Author: FUKUMOTO, Ken-ichiほか

Publisher: Elsevier

Publication date: 2007-08

Material Format: Digital

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Note (General)：: Pressurized thermal creep tubes of highly purified V-4Cr-4Ti, the NIFS-Heat2 alloy have been examined following testing in the range 700 to 850°C. It ...

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Material Type: 文書・図像類
Title: Creep mechanism of highly purified V-4Cr-4Ti alloys during thermal creep in a vacuum
Author/Editor: FUKUMOTO, Ken-ichi
NAGASAKA, Takuya
MUROGA, Takeo
NITA, Nobuyasu
MATSUI, Hideki
Author Heading: FUKUMOTO, Ken-ichi
NAGASAKA, Takuya
MUROGA, Takeo
NITA, Nobuyasu
MATSUI, Hideki
Publication, Distribution, etc.: Elsevier
Publication Date: 2007-08
Publication Date (W3CDTF): 2007-08
Periodical title: Journal of nuclear materials
No. or year of volume/issue: 367-370 1
Volume: 367-370
Issue: 1
Pages: 834-838
Text Language Code: eng
Target Audience: 一般
Note (General): Pressurized thermal creep tubes of highly purified V-4Cr-4Ti, the NIFS-Heat2 alloy have been examined following testing in the range 700 to 850°C. It was found that the creep stress exponent of the NIFS-Heat2 alloy is about 5 and that the characteristic creep mechanism was the dislocation creep usually observed in pure metals. The apparent activation energy of creep deformation is about 210kJ/mol in the temperature range 700 to 850°C. Creep deformation was considered to be controlled by climb-controlled dislocation glide at 850°C, where sub-grain boundary structure predominates and consists of dislocation dipole structures and pile-ups of dislocations.
Access Restrictions: 限定公開
Related Material (DOI): 10.1016/j.jnucmat.2007.03.074
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 福井大学 : 福井大学学術機関リポジトリ