Volume 9, Issue 4s, December 2019

Special Issue on Heterostructured Materials and Advanced Processing


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Development of superior materials and advanced materials processing technologies is always at the forefront of Materials Science. One of the successful approaches to improve the properties of materials focuses on tailoring heterostructures combining different materials, microstructures, phases etc. The development of severe plastic deformation methods, other deformation processing technologies such as asymmetric rolling, and advanced thermal treatments made it possible to obtain materials with desired combinations of microstructures and texture. Simultaneous use of the concepts of advanced processing and heterostructured materials allows one to obtain a synergic effect resulting in an enhancement of both the ductility and strength of materials. In practice, great successes are achieved in the development of engineering metals and composite materials. The advanced processing technologies (to name only a few, superplastic forming, additive technologies etc.) allow for the fabrication of structures and articles, which were not possible earlier.

To outline at least a few of such great successes, in this Special Issue we have collected a dozen of papers devoted to different aspects of composite and laminated materials, materials with gradient microstructures and their unique properties, advanced materials processing technologies such as severe plastic deformation, 3D printing of metals and alloys, non-traditional methods of metal forming, etc.

As the editors of this special edition of Letters on Materials, we are sincerely grateful to all authors who have contributed papers to this special issue. Their cooperation and willingness have made the publication of this volume possible. Although all papers in this issue were invited, they were reviewed according to the standards of the journal. Therefore, the editors wish also to thank all the reviewers who have contributed to improvements in the papers.


Yuntian T. Zhu, Department of Materials Science and Engineering, North Carolina State University, Raleigh, USA

Megumi Kawasaki, School of Mechanical, Industrial and Manufacturing Engineering, Oregon State University, Corvallis, USA