Composite Materials - Polymer-Matrix Composites

5 important questions on Composite Materials - Polymer-Matrix Composites

What types of reinforcements are used for polymer-matrix composites?

Glass fiber, Carbon fiber and aramid.

Why are carbon fibers used as reinforcement?

1. High specific modulus and specific strength.
2. Even at high temperatures.
3. They are not affected by moisture, or a variety of solvents, at room temperature.
4. The fibers exhibit a diversity of properties.
5. Manufacturing processes are relatively inexpensive and cost effective.

Why is Aramid used as fiber-reinforcement?

These fibers are high-strength, high-modulus materials with a low weight.
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What are other fiber-reinforcements next to glass, carbon and aramid?

Boron, silicon carbide, and aluminium oxide.

What are the most widely used polymer resins?

Polyester and vinyl esters.

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