Effects of temperature, dissolved oxygen and material factor on SCC behavior of low alloy steels in high temperature water

被引：0

作者：

Arai, Taku ^{[1
]}

Mayuzumi, Masami ^{[1
]}

机构：

[1] Ctrl. Res. Inst. Elec. Pwr. Indust., 2-11-1, Iwadokita, Komae, Tokyo, 201-8511, Japan

来源：

Zairyo to Kankyo/ Corrosion Engineering | 2000年 / 49卷 / 04期

关键词：

Corrosion resistance - High temperature operations - Oxygen - Strain rate - Stress corrosion cracking - Tensile testing - Thermal effects - Water;

D O I：

10.3323/jcorr1991.49.243

中图分类号：

学科分类号：

摘要：

Stress corrosion cracking (SCC) susceptibility of heavy-thick low alloy steels was investigated by slow strain rate tensile (SSRT) tests in high temperature water containing various levels of dissolved oxygen (DO) at temperature of 373 K to 593 K. Rolled steels with high sulfur content had SCC susceptibility in the wide region of temperature-DO concentration combination, even in DO<0.005 ppm at 473 K. A forged steel with extremely low sulfur content was almost immune to SCC. SCC maps as functions of temperature and DO concentration were proposed for each steel from the SSRT tests results.

引用

页码：243 / 248

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