Characterization of defect clusters in ion-irradiated A533B steel

被引：48

作者：

Fujii, K ^{[1
]}

Fukuya, K ^{[1
]}

机构：

[1] Inst Nucl Saftey Syst Inc, Mihama, Fukui 9191205, Japan

来源：

JOURNAL OF NUCLEAR MATERIALS | 2005年 / 336卷 / 2-3期

关键词：

D O I：

10.1016/j.jnucmat.2004.10.090

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A weak-beam transmission electron microscopy study was carried out for matrix damage in A533B reactor pressure vessel (RPV) steel produced by 3 MeV Ni2+ ion irradiation to a dose of I dpa at 290degreesC. The matrix damage was found to consist of small dislocation loops. The observed and analyzed dislocation loops have Burgers vectors b = a l 00). The dislocation loops have a mean image size d = 2.5 nm and the number density is about I X 10(22) m(-3). Most of the loops are stable after thermal annealing at 400degreesC for 30min. This indirect evidence suggests that their nature is interstitial. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：323 / 330

页数：8

共 23 条

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