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Metal Matrix Composite Materials


New Combinations of Materials with Use of Metal Matrix Composites

Tech Area / Field

  • MAT-COM/Composites/Materials

3 Approved without Funding

Registration date

Leading Institute
MISIS (Steel and Alloys), Russia, Moscow

Supporting institutes

  • VNIITF, Russia, Chelyabinsk reg., Snezhinsk


  • Universidad Politecnica de Madrid / Departamento de Ciencia de Materiales, Spain, Madrid\nTU Delft, The Netherlands, Delft\nUniversité Catholique de Louvain, Belgium, Louvain-la-Neuve

Project summary

Technical progress demands new engineering materials with improved properties. Most effective way for obtaining increased manufacturing articles characteristics is using composite materials. Conception “composite material” includes wide spectrum of metal and non-metal materials. Among these “wide spectrum of advanced materials” metal matrix composites (MMC) occupy very important place. MMC consist matrix (basis) from pure metal or alloy reinforced special elements.

It is possible to make matrix (basis) from aluminum alloys, copper alloys, magnum alloys, zinc alloys, titanium alloys, nickel alloys, iron and steel, etc.

The matrix can be reinforced with special elements:

- continuous fibers;
- discontinuous fibers (polycrystalline);
- whiskers (monocrystalline);
- particles (different sizes and shapes).

This special elements can be made from metal and non-metal materials. For example, silicon carbide, aluminum oxide, graphite, titanium carbide, etc.

The first MMC were development during the 1960s. The space industry was the first sector interested in the usage of these materials. Nowadays MMC are using for “earth” industry. Another sector of even greater economic importance for the development of new MMC is the automotive sector.

Main advantages of MMC compared with traditional material are improved strength, modulus and wear resistance.

But this kind of material has several disadvantages, that is why nowadays MMC have not wide use. For example, low toughness, low plasticity, high cost (cost of aluminum alloys reinforced with:

- continuous fibers is 1000-10000 $/kg;
- whiskers or discontinuous fibers is 100-500 $/kg;
- particles is 10-30 $/kg).

Most popular MMC is aluminum matrix composite reinforced with SiC elements (fiber, whiskers or particles). At the last years a large attention is paid to investigation of mixture of aluminum alloys with SiC particles, because this composite materials:

- have improved properties;
- have isotropic properties;
- it’s cost is not large.

Basically research institutions investigate MMC for:

- improvement of MMC production methods;
- determination of properties and parameters of materials under different conditions.

It is known that metal matrix composite (aluminum alloys reinforced with SiC particles) have improved strength, modulus, wear resistance, etc. compared with traditional aluminum alloys. But electrical conductivity and thermal conductivity of MMC are not enough good. That is why use of this materials in electric and electronic applications is restrained.

Object of the project is elaboration of new combination of materials with using metal matrix composites for increasing electrical and thermal conductivity (for electric and electronic applications).

Team of scientists of MISA and RFNC-VNIITF are working with composite materials and have large experience in this scientific area. One person from MISA had scholarship in TU Delft (topic of this scholarship was «Metal Matrix Composite»).

It is mean that team of scientists has high qualification and project will be fulfilled.


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