Mechanical Behavior of Reactor Structural Materials
A special issue of Metals (ISSN 2075-4701).
Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 5224
Special Issue Editors
Interests: mechanical behavior; radiation effects; electron microscopy
Special Issue Information
The world faces a critical challenge in terms of meeting the ever-increasing global energy demand for economic prosperity. Meanwhile, we must mitigate the effects of climate change by increasing the share of clean energy production. Thus, nuclear energy has become an essential option for producing carbon-free energy with a potential capacity to ensure global energy security. To produce sustainable, economical, safe, and proliferation-resistant nuclear energy, the life-time extension of current reactor fleets and successful design and deployment of advanced nuclear reactor systems are critical. To this end, we need to identify and develop structural materials that can withstand harsh conditions in the reactor core, such as stress, high temperature, corrosion medium, and radiation. In contrast to present-generation light water reactors (LWR), advanced reactors operate at much higher temperatures (500–1000 °C), produce heavier irradiation damage on materials (up to 200 displacements per atom, dpa), and have extreme corrosive environments. Such conditions alter the physical and chemical characteristics of materials that deteriorate their performance, leading to unwarranted reactor shutdowns, low efficiency, and safety issues. Among the various material selection and design criteria for reactor structural materials, their mechanical behavior under harsh conditions stands out as a critical factor that can affect the integrity of reactor structural components. The rector structural materials are subjected to a combination of embrittlement, fatigue, creep, and stress corrosion cracking degradation modes aggravated by severe radiation damage. This Special Issue aims to disseminate research articles focusing on the latest developments in the mechanical behavior of the reactor structural materials field.
Dr. Boopathy Kombaiah
Dr. Colin Judge
Guest Editors
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Keywords
- irradiation
- mechanical behavior
- deformation mechanisms
- reactor structural materials
- microstructure
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