Analysis of embrittlement of WWER-1000 RPV materials

被引：31
|
作者：
Margolin, B. Z. [1 ]
Nikolayev, V. A. [1 ]
Yurchenko, E. V. [1 ]
Nikolayev, Yu A. [2 ]
Erak, D. Yu [2 ]
Nikolayeva, A. V. [2 ]
机构：
[1] CRISM Prometey, St Petersburg 191015, Russia
[2] NRC Kurchatov Inst, Moscow, Russia
来源：
INTERNATIONAL JOURNAL OF PRESSURE VESSELS AND PIPING | 2012年 / 89卷
关键词：
WWER-1000; reactor; Thermal aging; Neutron irradiation; Radiation embrittlement; Alloying elements; PROMETEY LOCAL APPROACH; BRITTLE-FRACTURE; RADIATION EMBRITTLEMENT;
D O I：
10.1016/j.ijpvp.2011.11.003
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Analysis of embrittlement for WWER-1000 RPV materials is performed on the basis of available and original experimental data. Contributions of thermal aging and neutron irradiation to embrittlement are considered for base and weld metals. Equations have been obtained for the shift of the critical temperature of brittleness as a function of irradiation time and neutron fluence. For weld metal with high nickel content the dependence of the radiation embrittlement coefficient on the content of alloying elements affecting material embrittlement such as nickel, manganese and silicon has been obtained. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：178 / 186
页数：9
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