Thermo-mechanical fatigue behavior of reduced activation ferrite/martensite stainless steels

被引：12
作者：
Petersen, C. [1 ]
Rodrian, D. [1 ]
机构：
[1] Forschungszentrum Karlsruhe, GmbH Helmholtz Gemeinschaft, Inst Materialforschung II, D-76021 Karlsruhe, Germany
来源：
INTERNATIONAL JOURNAL OF FATIGUE | 2008年 / 30卷 / 02期
关键词：
thermo-mechanical fatigue; low cycle fatigue; hold times; ferrite/martensite steel; microstructure;
D O I：
10.1016/j.ijfatigue.2007.01.053
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Blanket modules of a future nuclear fusion reactor are subjected during service to alternating thermal and mechanical stresses as a consequence of the pulsed reactor operation. Therefore, the thermo-mechanical fatigue (TMF) behavior of reduced activation ferrite/ martensite stainless steels, as its structural material, is examined. TMF results of as received EUROFER 97 show a remarkable reduction in life time compared to isothermal low cycle fatigue (LCF) tests. The application of hold times in TMF-experiments leads to different damage reactions than during LCF loading. Microstructural evaluation during both cyclic loading procedures is very similar and gives no indication of the different damage behaviors. (C) 2007 Elsevier Ltd. All rights reserved.
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收藏
页码：339 / 344
页数：6
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