Detection of thermal aging of duplex stainless steels with squid magnetometer

被引：0
|
作者：
Isobe, Y [1 ]
Aoki, T [1 ]
机构：
[1] Nucl Fuel Ind Ltd, Kumatori, Osaka 5900481, Japan
来源：
MATERIALS SCIENCE RESEARCH INTERNATIONAL | 1999年 / 5卷 / 01期
关键词：
thermal aging; duplex stainless steel; nuclear power plant; primary piping system; SQUID;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Thermal aging of several duplex stainless steels was detected by an ultrahigh sensitive magnetic sensor using superconducting quantum interference device (SQUID). It was found that the SQUID output signal pattern in the presence of AC magnetic field applied to the specimen was sensitive to very small amout of material property changes due to thermal aging at the operating temperature of light water reactors (LWRs). The change in the SQUID output strongly depended on aging temperatures and ferrite contents of unaged duplex stainless steel specimens.
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页码：51 / 56
页数：6
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