Mechanical and Physical Properties of Metallic Composites (Volume II)
A special issue of Materials (ISSN 1996-1944).
Deadline for manuscript submissions: closed (20 July 2023) | Viewed by 256
Special Issue Editor
Interests: metallic materials; single crystals; polycrystals; submicrocrystalline materials; nanocrystals; composites; grains; grain boundary; crystal defects; deformation behavior; solid solution hardening; precipitation strengthening; high temperature plasticity; creep; hardening/softening; thermally activated flow; dislocations; climb of dislocations; twins; superplasticity; properties; mechanical properties; thermal conductivity; electrical conductivity; thermal expansion; damping; microstructure; severe plastic deformation; accumulative roll bonding; equal-channel angular pressing; high-pressure torsion
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Special Issue Information
Dear Colleagues,
In the recent decades, many results related to metallic composites have been reported. The final properties of composites are strongly influenced by those of both their constituent phases (metallic matrix and reinforcement) and by the processing technique. The matrix material is either a metal or an alloy. The chemical composition of the matrix is a significant factor that affects the composite microstructure. Al and its alloys, Mg and its alloys, and Ti and its alloys have been used as matrix materials because of their light weight. On the other hand, Cu and Ni have been used for their effects on the final mechanical and physical properties. The average grain size is an important parameter influencing the matrix microstructure and, therefore, the matrix mechanical (and physical) properties.
Reinforcements have a significant effect on the composite behavior. While the mechanical and physical properties of the reinforcements (strength, thermal expansion, electrical conductivity, etc.) are dictated by their chemical nature (metal, ceramic, polymer, carbon-nanotube), their geometric and topological properties (shape, size, volume fraction, orientation, distribution) can be changed during fabrication. Composite manufacturing has a very substantial effect on the properties of a composite.
In spite of many published papers, there is no generally accepted model for metallic composite strengthening. The physical properties of a composite are affected by a combination of the matrix and the reinforcements properties. The coefficient of thermal expansion, thermal and electrical conductivity, diffusion, damping, are significant for the resultant physical properties. Their knowledge is very important for applications in different fields. Many factors and mechanisms determine a composite behavior. The synergetic operation of these mechanisms should be studied.
The aim of this Special Issue is to extend our current knowledge of metallic composite behavior. Your contributions are welcome.
Prof. Dr. Pavel Lukáč
Guest Editor
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