Reactor pressure vessel embrittlement of NPP borssele: Design lifetime and lifetime extension

被引：5
|
作者：
Blom, F. J. [1 ]
机构：
[1] NRG, NL-1755 ZG Petten, Netherlands
来源：
NUCLEAR ENGINEERING AND DESIGN | 2007年 / 237卷 / 20-21期
关键词：
D O I：
10.1016/j.nucengdes.2007.02.008
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
Embrittlement of the reactor pressure vessel of the Borssele nuclear power plant has been investigated taking account of the design lifetime of 40 years and considering 20 years subsequent lifetime extension. The paper presents the current licensing status based on considerations of material test data and of US nuclear regulatory standards. Embrittlement status is also evaluated against German and French nuclear safety standards. Results from previous fracture toughness and Charpy tests are investigated by means of the Master curve toughness transition approach. Finally, state of the art insights are investigated by means of literature research. Regarding the embrittlement status of the reactor pressure vessel of Borssele nuclear power plant it is concluded that there is a profound basis for the current license up to the original end of the design life in 2013. The embrittlement temperature changes only slightly with respect to the acceptance criterion adopted postulating further operation up to 2033. Continued safe operation and further lifetime extension are therefore not restricted by reactor pressure vessel embrittlement. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：2098 / 2104
页数：7
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