1. Typology and properties of metal matrices

Depending on how metal matrix composites (MMCs) are developed (Figure 5 ), before the MMCs are made, the metal matrix can be found in various forms:

• in massive form (ingot, sponge, granulate, etc.) for the various liquid processes and for most vapour-phase processes (except for chemical deposits);

• in powder form for all solid-phase processes.

For an overview of metal matrix composites, please consult the general references by R. Naslain