Corrosion Failure of AISI4340 Steel in Oxygen-Containing Aqueous Chloride Solution

被引：3
|
作者：
Zhang, Ping [1 ]
Shi, Yafei [2 ]
Zhao, Hanqing [2 ]
Zhang, Fulin [2 ]
Zhang, Guoqiang [1 ]
Rao, Sixian [2 ]
机构：
[1] Hunan Univ, Coll Civil Engn, Changsha 410082, Hunan, Peoples R China
[2] Anhui Univ Technol, Sch Mech Engn, Maanshan 243002, Peoples R China
来源：
INTERNATIONAL JOURNAL OF CORROSION | 2019年 / 2019卷
基金：
国家高技术研究发展计划(863计划);
关键词：
FATIGUE-CRACK-GROWTH; HIGH-STRENGTH STEEL;
D O I：
10.1155/2019/5318290
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Stress corrosion cracking behavior of 4340 steel in oxygen-containing or chloride containing aqueous solution was researched, the tensile experiment results indicated 100 degrees C deaerated distilled water, the rupture of 4340 steel mainly belongs to ductile fracture, the addition of oxygen or chloride would increase the SCC tendency of 4340 steel and transformed the rupture mechanism from ductile fracture to brittle rupture, the existence of oxygen or chloride would decrease K-ISCC of 4340 steel in 100 degrees C aqueous solution slightly, the simultaneous action of oxygen and chloride existed, and the simultaneous action would further increase the SCC tendency of 4340 steel in aqueous solution.
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收藏
页数：6
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