Special Issue "Dynamic Recrystallization and Microstructural Evolution in Alloys"
A special issue of Materials (ISSN 1996-1944).
Deadline for manuscript submissions: closed (15 September 2018)
Prof. Sergey Zherebtsov
Department of Materials Science and Nanotechnology, Belgorod State University, 85 Pobeda street, Belgorod, 308015, Russia
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Interests: deformation; grain refinement; phase transformation; titanium alloys; high-entropy alloys; interphase boundaries; grain boundaries; twinning, mechanical properties
The control of the microstructure of metallic materials through thermomechanical processing is one of the main targets of materials science. Microstructure refinement during hot or warm working by the process of dynamic recrystallization is a commonly-employed approach. That is why recrystallization and related annealing phenomena have long been recognized as being both of technological importance and scientific interest. However, although considerable advances have been made recently in the techniques available to the researcher and therefore in the understanding of the processes during deformation, many aspects in the field of deformation-induced microstructure evolution are not well understood.
Lack of understanding is obviously attributed to high complexities of the phenomenon, which consists of a combination of the deformed state of metals and alloys and the processes of local nucleation and grain growth. Qualitative and quantitative characterization of the deformed state and careful description of grain or interphase boundary structure and properties constitute the areas of fundamental importance for the understanding of recrystallization.
Over the past two decades one of the most rapidly developed methods of microstructure refinement was associated with severe plastic deformation. In this case ultrafine grained structures are formed during deformation at relatively low temperatures. This is one of the most promising topics in material science because it could lead to the production of submicron to nanometer sized crystallites in a wide variety of structural metals and alloys. Developments in this area have highlighted the necessary to subdivide recovery, recrystallization and grain growth phenomena into traditional high-temperature ‘discontinuous’ and low-temperature ‘continuous’ variants.
One of the main advantage of a new look at these fields can be associated with the use of modern techniques, such as TEM, EBSD, spectrometers and modeling capabilities which are providing us with far better images and analysis than ever previously possible. These new techniques can be used for investigation not only “traditional” metals and alloys but also for such novel objects as high-entropy alloys or metal-matrix composites.
The purpose of this Special Issue is to collect works related to various manifestations of dynamic recrystallization during hot, warm or cold deformation. It is my pleasure to invite you to submit manuscripts for this Special Issue. Full papers, communications, and reviews are all welcome.
Prof. Sergey Zherebtsov
Manuscript Submission Information
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- Dynamic recrystallization
- Microstructure evolution
- Grain boundaries, interphases
- Phase transformation
- Mechanical behavior