Influence of molybdenum disulfide on SCC of 08Kh18N10T steel in steam generator of NPP*

被引：0
|
作者：
Melekhov, R
Tubielevich, K
Krucan, A
机构：
[1] Czestochowa Tech Univ, PL-42200 Czestochowa, Poland
[2] Karpenko Physicomech Inst, UA-290605 Lviv, Ukraine
来源：
MATERIALS AND CORROSION-WERKSTOFFE UND KORROSION | 2000年 / 51卷 / 12期
关键词：
D O I：
10.1002/1521-4176(200012)51:12<880::AID-MACO880>3.0.CO;2-3
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influence of molybdenum disulfide - a solid-film lubricant used to prevent seizure/galling in threaded connections of the steam generator collector of nuclear power plants (NPP) - on cracking 18 Cr-10 Ni type of steel was investigated. It was found that transgranular cracking started from thread roots or from the bottom of the thread of the steam generator flange made of austenitic 08Kh118N10T steel even in nonstressed conditions. It was stated that transgranular damage was caused by hydrogen embrittlement and local anodic dissolution of iron and nickel in environments with high pH(T).
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页码：880 / 889
页数：10
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