Microstructural Evolution in Crystalline Materials Subjected to Extreme Environments
A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Materials Characterization".
Deadline for manuscript submissions: closed (15 January 2022) | Viewed by 487
Special Issue Editor
Interests: electron-beam irradiation at the transmission electron microscope; beam damage in metals; electron-beam sintering; surface structure; surface reconstruction; grain boundary structure; grain boundary migration; grain boundary structural transition; thermal roughening transition; kinetic roughening; strain-induced roughening; grain growth; grain boundary mechanics; in situ high-resolution transmission electron microscopy
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Special Issue Information
Dear Colleagues,
The microstructure of crystalline materials evolves under extreme environments, such as radiation of high-energy particles (electrons, neutrons or ions) and severe plastic deformation (SPD), e.g., high-pressure torsion, asymmetric rolling, and mechanical alloying. Radiation of neutrons and ions strongly involves matters relating to nuclear reactors, while electron-beam irradiation is related to damage to specimens for transmission electron microscopy (TEM), such as knock-on damage, sputtering, and radiolysis.
Attempts have been made to use electron beam for the sintering of nanocrystalline materials, while SPD has been extensively studied and applied to metalworking processes because of its versatility. Radiation of high-energy paricles and SPD are similar in that both processes produce excess vacancies, which induce and accelerate the evolution of microstructures of crystalline materials. However, the mechanism behind microstructural evolution has remained unclear. Lately, it has been revealed that these processes induce phase transitions in bulk phases and interfaces such as grain boundaries and surfaces. Regrettably, the physics behind the phenomenon needs to be further explored. This is why we have decided to dedicate this Special Issue to the general understanding of the correlation between extreme environments and the phase transitions occurring in crystalline materials subjected to such environments.
In this Special Issue, we invite original research articles and review papers on the following topics:
- Electron-beam sintering for nanocrystalline materials;
- Electron-beam damage at transmission electron microscopes (TEMs);
- Microstructural evolution in crystalline materials under irradiation of electrons, neutrons, and ions;
- Microstructural evolution in crystalline materials under severe plastic deformation (SPD);
- Microstructural evolution in nuclear materials under irradiation of neutrons and ions;
- Phase transition in bulk phases and interfaces induced by irradiation of electrons, neutrons, and ions;
- Phase transition in bulk phases and interfaces induced by severe plastic deformation (SPD).
Prof. Dr. Sung Bo Lee
Guest Editor
Manuscript Submission Information
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Keywords
- irradiation of electrons
- neutrons and ions
- severe plastic deformation
- electron-beam damage at transmission electron microscopes
- microstructural evolution
- bulk phase
- interface–grain boundary
- surface
- phase transition
