Materials degradation in fission reactors: Lessons learned of relevance to fusion reactor systems

被引:48
|
作者
Was, Gary S. [1 ]
机构
[1] Univ Michigan, Nucl Engn & Radiol Sci Dept, Ann Arbor, MI 48109 USA
关键词
D O I
10.1016/j.jnucmat.2007.03.008
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The management of materials in power reactor systems has become a critically important activity in assuring the safe, reliable and economical operation of these facilities. Over the years, the commercial nuclear power reactor industry has faced numerous 'surprises' and unexpected occurrences in materials. Mitigation strategies have sometimes solved one problem at the expense of creating another. Other problems have been solved successfully and have motivated the development of techniques to foresee problems before they occur. This paper focuses on three aspects of fission reactor experience that may benefit future fusion systems. The first is identification of parameters and processes that have had a large impact on the behavior of materials in fission systems such as temperature, dose rate, surface condition, gradients, metallurgical variability and effects of the environment. The second is the development of materials performance and failure models to provide a basis for assuring component integrity. Last is the development of proactive materials management programs that identify and pre-empt degradation processes before they can become problems. These aspects of LWR experience along with the growing experience with materials in the more demanding advanced fission reactor systems form the basis for a set of 'lessons learned' to aid in the successful management of materials in fusion reactor systems. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码:11 / 20
页数:10
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