Stress Corrosion in Magnetite
A special issue of Crystals (ISSN 2073-4352). This special issue belongs to the section "Inorganic Crystalline Materials".
Deadline for manuscript submissions: closed (30 June 2021) | Viewed by 4071
Special Issue Editors
Interests: stress corrosion cracking; environmental degradation of nuclear materials; electrochemical corrosion behavior; stainless steel development; corrosion products
Special Issues, Collections and Topics in MDPI journals
Interests: high-temperature corrosion; stress corrosion cracking; flow accelerated corrosion; oxide formation behavior
Special Issue Information
Dear Colleagues,
Magnetite sludge depositing inside steam generators is the major root cause of loss of heat transfer, impurity accumulation, and materials corrosion and degradation. So far, stress corrosion cracking of steam generator tubes has mainly focused on water chemistry in the crevices, such as chemical impurity concentrations, pH values, and temperature. However, it should be considered that the actual stress corrosion cracking occurs on the surface of a steam generator tube covered with magnetite deposits under operating condition of nuclear power plants. Magnetite is an oxide, but it shows almost metallic behavior with respect to its electrical properties. Hence, numerous microgalvanic cells can be formed on the surface of steam generator tubes within the porous magnetite and can be affected by corrosion phenomena.
We invite investigators to submit papers that discuss the various corrosion phenomena in magnetite, including stress corrosion cracking, general corrosion, flow-accelerated corrosion, pitting corrosion, intergranular attack, etc. Furthermore, mitigation technologies for magnetite deposition on steam generator tubing based on water chemistry, coating, advanced materials, and surface property control are welcomed.
The potential topics include but again are not limited to:
- Magnetite-accelerated corrosion and stress corrosion cracking in magnetite;
- Electrochemical role of magnetite in the accelerated corrosion process;
- Simulation technology of magnetite deposit similar to those of steam generator tubes;
- Development of advanced water chemistry for magnetite deposition mitigation.
Dr. Geun Dong Song
Guest Editors
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Keywords
- Stress corrosion cracking in corrosion product
- Corrosion product in secondary water system of PWR
- Corrosion behavior in nuclear power plant
- Mitigation technology for magnetite deposition
- Galvanic effect between magnetite and various materials
- Magnetite deposition
- Electrochemical corrosion test
- Microstructure and oxide formation behavior
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