Effect of pre-deformation on the precipitation process and magnetic properties of Fe-Cu model alloys

被引：38
作者：
Kamada, Yasuhiro [1 ]
Takahashi, Seiki
Kikuchi, Hiroaki
Kobayashi, Satoru
Ara, Katsuyuki
Echigoya, Junichi
Tozawa, Yusuke
Watanabe, Kenta
机构：
[1] Iwate Univ, NDE, Morioka, Iwate 0208551, Japan
来源：
JOURNAL OF MATERIALS SCIENCE | 2009年 / 44卷 / 04期
关键词：
COPPER PRECIPITATION; STEEL; RECOVERY; KINETICS; REACTOR;
D O I：
10.1007/s10853-008-3182-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of pre-deformation on the precipitation process and magnetic properties of Fe-Cu model alloys was investigated. These specimens simulate irradiation embrittlement of nuclear reactor pressure vessel (RPV) steels. Fe-1 wt%Cu alloys with and without pre-deformation in solid-state solution were thermally aged at 773 K for various times and the evolution of hardness, conductivity, and microstructure were investigated. Pre-deformation enhanced Cu precipitation and caused precipitation at dislocations. The coercive force tended to decrease for the pre-deformed specimen and the underlying mechanism is discussed. The results obtained are related to the magnetic characteristics of irradiated RPV steels.
引用
收藏
页码：949 / 953
页数：5
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