Processing, Structure and Properties of Metal Matrix Composites
Special Issue Editor
Interests: Light weight high temperature resistant material; Ultra-high strength and toughness aluminum alloy and composite materials; Biomedical titanium alloy
Special Issue Information
Dear Colleagues,
Metal matrix composites (MMCs) are widely used in various engineering applications such as aerospace, automotive, and electronics. They are a composite material that combines the properties of metals and ceramics. The processing, structure, and properties of MMCs are of great interest to materials researchers.
The processing of MMCs involves the mixing of a metal matrix with a reinforcement material such as carbon fibers, chopped fibers, whiskers, platelets, or particles. The reinforcement material can be either continuous or discontinuous. Common preparation methods of metal matrix composites include solid phase, liquid phase, and chemical methods. Spark plasma sintering represents the solid phase method, and the liquid phase method is represented by the melting casting method. The chemical vapor deposition method is the representative method. Following the introduction, methods of particles can be divided into in situ methods and external methods.
The structure of MMCs is complex and depends on the type of reinforcement material and the processing method. The reinforcement material can be randomly distributed in the metal matrix or aligned in a specific direction. The orientation of the reinforcement material has a significant impact on the mechanical properties of the composite.
The properties of MMCs are determined by the properties of the metal matrix and the reinforcement material. The reinforcement material can improve the composite's strength, stiffness, and wear resistance. However, the presence of the reinforcement material can also affect the thermal and electrical properties of the composite.
In conclusion, the processing, structure, and properties of MMCs are complex and depend on various factors. Developing MMCs with improved properties requires a thorough understanding of the interactions between the metal matrix, reinforcement material, and processing method. Further research is needed to optimize the processing and properties of MMCs for specific applications.
Prof. Dr. Ziyong Chen
Guest Editor
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Keywords
- synthesis process
- chemical properties
- interface
- physiscal properties
- dispersion
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