Structure and Properties of Heterogeneous Materials
A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Structural Integrity of Metals".
Deadline for manuscript submissions: closed (31 August 2022) | Viewed by 5331
Special Issue Editor
Interests: strengthening mechanism; microstructure evolution; deformation mechanism; heat treatment; high strength and ductility; corrosion behavior; wear resistance; bimodal grain size distribution
Special Issue Information
Dear Colleagues,
Heterogeneous materials (heterogeneous zones with intense variations in mechanical/physical properties) are a new class of materials with excellent mechanical and physical properties that cannot be achieved by traditional homogeneous materials. In recent years, they have been widely studied and reported by researchers all over the world. Synergetic strengthening, long-range internal stress (back stress), controlling the distribution of defects, and the interaction between different zones are hot spots in the study of heterogeneous materials, and are also key to achieving excellent mechanical and physical properties. Compared with nanomaterials, which have been extensively studied in the past thirty years, heterogeneous materials can be processed using existing industrial equipment, making them conducive to low-cost industrial production.
Currently, the most studied heterogeneous materials are structural heterogeneous metal materials, including heterogeneous lamella structures, gradient structures, multi-modal structures, and dual/multi-phase structures. Research and development involving these heterogeneous materials are always welcome. Of course, heterogeneous materials still have many problems to be studied and solved urgently. These outstanding issues include exploring the interaction between geometrically necessary dislocations (GNDs) and regional boundaries, studying the formation mechanism of shear band and its relationship with GND accumulation, and developing processing technologies that can precisely control heterogeneous structures and have low processing costs. Research articles focusing on above topics are encouraged as well.
Prof. Dr. Hui-Bin Wu
Guest Editor
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Keywords
- heterogeneous materials
- synergetic effect
- interaction effect
- hetero-deformation
- geometrically necessary dislocations
- multiple strengthening
- mechanical properties
- strength–ductility synergy
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