Response of reduced activation ferritic steels to high-fluence ion-irradiation

被引：35

作者：

Tanigawa, H ^{[1
]}

Ando, M

Katoh, Y

Hirose, T

Sakasegawa, H

Jitsukawa, S

Kohyama, A

Iwai, T

机构：

[1] Japan Atom Energy Res Inst, Naka, Ibaraki 3191195, Japan

[2] Kyoto Univ, Inst Adv Energy, Kyoto 6110011, Japan

[3] Kyoto Univ, Grad Sch Energy Sci, Kyoto 6068501, Japan

[4] Univ Tokyo, Nucl Sci & Technol Res Ctr, Naka, Ibaraki 31911, Japan

来源：

JOURNAL OF NUCLEAR MATERIALS | 2001年 / 297卷 / 03期

关键词：

D O I：

10.1016/S0022-3115(01)00633-X

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Effects of high-fluence irradiation in fusion-relevant helium prod-action condition on defect cluster formation and swelling of reduced activation ferritic/martensitic steels (RAFs), JLF-1 (Fe-9Cr-2W-V-Ta) and F82H (Fe-8Cr-2W-V-Ta), have been investigated. Dual-ion (nickel plus helium ions) irradiation using electrostatic accelerators was adopted to simulate fusion neutron environment. The irradiation has been carried out up to a damage level of 100 displacement per atom (dpa) at around 723 K, at the HIT facility in the University of Tokyo. Thin foils for transmission electron microscopy (TEM) were prepared with a focused ion beam (FIB) microsampling system. The system enabled not only the broad cross-sectional TEM observation, but also the detailed study of irradiated microstructure, since unfavorable effects of ferromagnetism of a ferritic steel specimen were completely suppressed with this system by sampling a small volume in interests from the irradiated material. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：279 / 284

页数：6

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