Primary water stress corrosion cracking behavior of an Alloy 600/182 weld

被引：22
|
作者：
Lim, Yun Soo [1 ]
Hwang, Seong Sik [1 ]
Kim, Sung Woo [1 ]
Kim, Hong Pyo [1 ]
机构：
[1] Korea Atom Energy Res Inst, Nucl Mat Safety Res Div, Taejon 305353, South Korea
来源：
CORROSION SCIENCE | 2015年 / 100卷
关键词：
Nickel; Alloy; SEM; Stress corrosion; Welding; HIGH-TEMPERATURE BEHAVIOR; DUCTILITY-DIP CRACKING; PWR PRIMARY WATER; MICROSTRUCTURAL CHARACTERIZATION; HOT CRACKING; BASE ALLOYS; METAL; GROWTH; RESISTANCE; MECHANISM;
D O I：
10.1016/j.corsci.2015.06.005
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Primary water stress corrosion cracking (PWSCC) testing of an Alloy 600/182 weld was conducted at 325 degrees C for 20,725 h in a simulated primary water environment of a pressurized water reactor. Intergranular cracking occurred only in the regions of Alloy 182 weld metal, which suggests that Alloy 182 weld metal is more susceptible to PWSCC than Alloy 600 base metal. The difference in the susceptibility of the alloys to PWSCC can be attributed to their different metallurgical characteristics, such as the yield strength, precipitation of intergranular chromium carbides, and grain boundary properties of the alloys. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：12 / 22
页数：11
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