Microstructure Evolution During Cold and Hot Deformation
A special issue of Crystals (ISSN 2073-4352).
Deadline for manuscript submissions: closed (20 August 2025) | Viewed by 478
Special Issue Editors
Interests: Large-scale forgings process and optimization; aerospace materials and processes; composite materials preparation and control, dynamic in-situ analysis and comprehensive high-throughput characterization
Interests: steelmaking; metallurgy; processing; non-metallic inclusions; steel microstructure; alloys
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
The study of the evolution of microstructures during cold and hot deformation is based on material science and mechanics. Experimental and numerical study are both important in searching for the inherent theory behind this evolution.
Research on microstructure evolution during hot and cold deformation has been ongoing for more a century. High temperatures during hot deformation promote plastic deformation and recrystallization, leading to grain refinement and the development of new grain boundaries. Conversely, cold deformation at lower temperatures induces dislocation accumulation, deformation twinning, and strain hardening, resulting in a distinct microstructure.
In the observation of microstructure evolution, several techniques are commonly applied, e.g., scanning electron microscopes, which provide detailed views of microstructures at higher magnifications, including grain shapes, grain boundary features, and dislocations; transmission electron microscopes, which transmit electron beams through samples, allowing for the atomic-level imaging of microstructures; X-ray diffraction, which determines phases, lattice parameters, and grain sizes; and electron backscatter diffraction, which provides detailed information on crystallographic orientations and grain boundary characteristics. Meanwhile, in numerical studies, multi-scale analysis has demonstrated its advantages in studying microstructure evolution.
The emergence of advanced materials necessitates the development of new forming techniques, prompting the need for in-depth research into the microstructure evolution of these materials during these new processes. This is particularly crucial in the formation of complex structural components.
This Special Issue focuses on ‘Microstructure Evolution During Cold and Hot Deformation’, emphasizing the vital role of studying microstructural changes in determining material properties such as strength, ductility, and toughness. Additionally, it explores the implications of these changes in terms of material performance, including resistance to fatigue, fracture, corrosion, and creep. Beyond traditional materials like steel, titanium alloy, and aluminum alloy, this issue welcomes contributions on advanced materials such as superalloys, nanomaterials, and new lightweight materials, as well as on advanced processing techniques. Moreover, research utilizing numerical models to predict microstructure evolution is also within the scope of this Special Issue.
Prof. Dr. Xingang Liu
Dr. Jaka Burja
Dr. Can Wang
Guest Editors
Manuscript Submission Information
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Keywords
- microstructures
- deformation
- fatigue
- corrosion
- fracture
- multi-scale
- advanced materials
- numerical model
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