期刊
JOURNAL OF NUCLEAR MATERIALS
卷 300, 期 2-3, 页码 161-177出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0022-3115(01)00745-0
关键词
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The mechanical and thermal properties of commercially pure chromium and the chromium-based alloys Cr-5Fe-1Y(2)O(3) and Cr-44Fe-5A1-0.3Ti-0.5Y(2)O(3) have been investigated in order to determine the thermal stress factor of these materials and to assess their capability to withstand high-thermal loads in fusion applications. Especially the alloy Cr5Fe-1Y(2)O(3) combines sufficient mechanical strength at temperatures up to 1000 degreesC, high-thermal conductivity and a low-thermal expansion coefficient to yield the lowest thermal stress factor of all metallic candidate materials for first wall and blanket applications. The high-ductile-to-brittle transition temperature may lead to a rather high value for the lower operation-temperature limit. (C) 2002 Elsevier Science B.V. All rights reserved.
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