Ring-tensile properties of irradiated oxide dispersion strengthened ferritic/martensitic steel claddings

被引：47
|
作者：
Yoshitake, T
Abe, Y
Akasaka, N
Ohtsuka, S
Ukai, S
Kimura, A
机构：
[1] Japan Nucl Cycle Dev Inst, Oarai Engn Ctr, Irradiat Ctr, Fuels & Mat Div, Oarai, Ibaraki 3111393, Japan
[2] Kyoto Univ, Inst Adv Energy, Kyoto 6110011, Japan
来源：
JOURNAL OF NUCLEAR MATERIALS | 2004年 / 329卷
关键词：
D O I：
10.1016/j.jnucmat.2004.04.084
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effects of fast neutron irradiation on ring-tensile properties of the oxide dispersion strengthened (ODS) ferritic/martensitic steel claddings with improved microstructural isotropy from recrystallization and alpha-gamma phase transformation were investigated. The samples were irradiated in the experimental fast reactor JOYO using the material irradiation rig at temperatures between 670 and 807 K to fast neutron fluences ranging from 5.0 x 10(15) to 3.0 x 10(26) n/m(2) (E > 0.1 MeV). The post-irradiation ring-tensile tests were carried out on samples with five sets of irradiation conditions. The experimental results showed that strengths were increased by 10% due to irradiation. Microstructural improvement considerably increased elongations for these samples and specimens retained respectable elongation after irradiation. The ring-tensile properties of these ODS steel claddings remain excellent within the fluence level achieved in this study. (C) 2004 Elsevier B.V. All rights reserved.
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收藏
页码：342 / 346
页数：5
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