Theoretical, Computational, and Experimental Studies of Deformation Behavior in HCP Metals (2nd Edition)

Dear Colleagues,

Materials with a hexagonal close-packed (HCP) crystal structure (e.g., magnesium and titanium alloys) are subjects of significant interest. Magnesium alloys are considered prospective lightweight materials. Titanium and its alloys are widely used in industry because of their high strength-to-weight ratios. The mechanisms of plastic deformation in materials with an HCP structure are different from those in materials with a cubic structure. HCP materials exhibit significant plastic anisotropy, which leads to the important role of deformation twinning in plastic deformation. Additionally, titanium alloys exhibit structural transformations, which can take place during the treatment of materials with intensive plastic deformation. The complexity of the deformation mechanisms in HCP metals leads to the continued interest in this problem. In particular, deformation twinning in these materials is still the subject of intensive study. Debates around the nucleation and growth mechanisms of twins, as well as the search for methods to control twinning through the development of specific microstructures, are present in the literature. The control of material microstructures can also be implemented by invoking phase transformations during deformation treatments. Such processing can be considered a prospective alternative to heat treatment.

This Special Issue on “Theoretical, Computational, and Experimental Studies of Deformation Behavior in HCP Metals” intends to collect the latest developments in the field.

Topics addressed in this Special Issue may include, but are not limited to, the following:

• Atomistic modeling and simulations of crystallographic defects responsible for plastic deformation in HCP metals: dislocations, twin boundaries, and grain boundaries;
• Experimental study of crystallographic defects: their structures, mobility, and mechanisms of mutual interaction;
• Theoretical and experimental studies on phase transformations, which take place during the plastic deformation of HCP metals and alloys;
• Theoretical and experimental studies on the relationship between the microstructures and plastic properties of HCP metals.

Dr. Andriy Ostapovets
Dr. Xiao-Zhi Tang
Guest Editors

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• HCP metals
• plastic deformation
• magnesium
• titanium
• twinning
• dislocations
• grain boundaries
• crystallographic defects
• phase transformations

• Theoretical, Computational, and Experimental Studies of Deformation Behavior in HCP Metals in Metals (10 articles)