MECHANICAL AND FATIGUE PROPERTIES OF MARTENSITIC Fe-13Cr AND AUSTENITIC Fe-18Cr-10Ni STEELS IN CONTACT WITH LEAD AND LEAD-BISMUTH MELTS

被引：0
|
作者：
Yaskiv, O. I. [1 ]
Fedirko, V. M. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Physicomech Inst, Lvov, Ukraine
来源：
PROBLEMS OF ATOMIC SCIENCE AND TECHNOLOGY | 2013年 / 05期
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中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The influence of liquid-metal medium on the mechanical and fatigue properties of Fe-13Cr and Fe-18Cr-10Ni steels in the temperature range 250...750 degrees C. have been investigated. It is shown that liquid metal medium facilitate a decrease in the ultimate strength of Fe-13Cr steel by 10-20% against that in vacuum, and with increase in temperature this effect is enhanced. It has been established that Fe-13Cr steel is susceptible to liquid-metal embrittlement in the temperature range 350...450 degrees C, which manifests itself more substantially in lead-bismuth eutectic. The mechanical properties of Fe-18Cr-10Ni are not considerably affected by heavy metals melts. Liquid metal medium assists in significant decreasing of fatigue life of steels. The Pb-Bi eutectic has more negative impact.
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页码：109 / 118
页数：10
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