Influence of irradiation on the ductile fracture of a reactor pressure vessel steel

被引：6
|
作者：
Hausild, P
Kytka, M
Karlík, M
Pesek, P
机构：
[1] Czech Tech Univ, Dept Mat, Fac Nucl Sci & Phys Engn, Prague 12000 2, Czech Republic
[2] Inst Nucl Res, Integr & Tech Engn Div, Rez 25068, Czech Republic
来源：
JOURNAL OF NUCLEAR MATERIALS | 2005年 / 341卷 / 2-3期
关键词：
D O I：
10.1016/j.jnucmat.2005.01.019
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The mechanical properties of 15Ch2MFA steel were characterised by tensile and instrumented Charpy tests. The fracture surfaces of Charpy specimens broken in the ductile-to-brittle transition temperature range contain a certain proportion of ductile fracture correlated to fracture energy. Measured ductile crack lengths show the same dependence on fracture deflection and/or fracture energy for irradiated and non-irradiated specimens. The decrease of upper shelf energy with increasing neutron fluence could be explained by an increasing amount of shear fracture. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：184 / 188
页数：5
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