In-situ TEM observation of microstructural evolution in 18Cr-ODS steel induced by electron beam irradiation

被引：5

作者：

Ran, Guang ^{[1
,2
]}

Wu, Shenghua ^{[1
]}

Zhou, Zhangjian ^{[3
]}

Qiang, Rui ^{[1
]}

Li, Ning ^{[1
]}

Wang, Lumin ^{[1
,2
]}

机构：

[1] Xiamen Univ, Sch Energy Res, Xiamen 361005, Fujian, Peoples R China

[2] Univ Michigan, Dept Nucl Engn & Radiol Sci, Ann Arbor, MI 48109 USA

[3] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China

来源：

PROGRESS IN NATURAL SCIENCE-MATERIALS INTERNATIONAL | 2012年 / 22卷 / 05期

关键词：

18Cr-ODS steel; Electron irradiation; In-situ TEM; Nuclear reactor; STRENGTHENED FERRITIC STEELS; HIGH-TEMPERATURE; ODS STEELS; STABILITY; OXIDES;

D O I：

10.1016/j.pnsc.2012.10.003

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The microstructural evolution behaviors of 18Cr-ODS steel under electron beam irradiation were in-situ investigated in a high resolution transmission electron microscopy (HRTEM). Fe3O4 particle was induced by electron beam irradiation through a series of dynamic procedures including lattice relaxation of the steel matrix, Cr and Ni segregations, combination of iron and oxygen atoms, epitaxial growth as well as separation of Fe3O4 grains. The size of oxides increased with increasing electron irradiation fluence, and it reached up to about 6 nm at the fluence of 6.1 x 10(23) e/cm(2). (c) 2012 Chinese Materials Research Society. Production and hosting by Elsevier Ltd. All rights reserved.

引用

页码：509 / 513

页数：5

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