Open Access
Review
Table 2
Comparision of MMCs techniques [13].
| Route | Cost | Applications | Comments |
|---|---|---|---|
| Diffusion bonding | High | Used to make sheets, blades, vane shafts, structural components | Handles foils or sheets of matrix and filaments of reinforcing elements |
| Powder metallurgy | Medium | Mainly used to produce small objects (especially round), bolts, valves, high-strength and heat resistant materials | Both matrix and reinforcements used in powder form, best for particulate reinforcement. Since no melting is involved, no reaction zone is develops, showing high-strength composite |
| Liquid-metal infiltration | Low/medium | Used to produce structural shapes such as rods, tubes, beams with maximum properties in a uniaxial direction | Filaments of reinforcement used |
| Squeeze casting | Medium | Widely used in automotive industry for producing different components such as pistons, connecting rods, rocker arms, cylinder heads, suitable for making complex objects | Generally applicable to any type of reinforcement and may be used for large scale manufacturing |
| Spray casting | Medium | Used to produce friction materials, electrical brushes and contacts, cutting and grinding tools | Particulate reinforcement used: full density materials can be produced |
| Compocasting/rheocasting | Low | Widely used in automotive, aerospace, industrial equipment and sporting goods industries, used to manufacture bearing materials | Particulate reinforcement used: full density materials can be produced. Suitable for discontinuous fibers especially particulate reinforcement |
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