The effect of flow-accelerated corrosion with high-temperature sodium hydroxide on tube target-wastage caused in steam generator of sodium-cooled fast reactor

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作者：
Japan Atomic Energy Agency, 4002 Narita-cho, Oarai-machi, Higashi-ibaraki-gun, Ibaraki, 311-1393, Japan [1 ]
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来源：
Nihon Kikai Gakkai Ronbunshu, B | 2013年 / 799卷 / 267-270期
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D O I：
10.1299/kikaib.79.267
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摘要：
Wastage phenomena on adjacent tubes (target-wastage) arise from water/steam leak in steam generators of sodium-cooled fast reactors. Target-wastage is likely to be caused by liquid droplet impingement erosion and flow-accelerated corrosion in an environment marked by high-temperature and high-alkali (reaction jet) due to sodium-water reaction. The static and flow-accelerated corrosion experiments have been carried out as a part of phenomena elucidation experiments for target-wastage by using actual tube material under high-temperature sodium-hydroxide and sodium monoxide conditions which are mainly generated by sodium-water reaction. The authors evaluated the dependence of liquid/tube material temperature and liquid velocity upon the flow-accelerated corrosion rate on the tube and derived the new correlation of flow-accelerated corrosion for target-wastage taking into account local wastage environment in this report. ©2013 The Japan Society of Mechanical Engineers.
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