Composite Materials - Polymer-Matrix Composites - Glass Fiber-Reinforces Polymer (GFPR) Composites

3 important questions on Composite Materials - Polymer-Matrix Composites - Glass Fiber-Reinforces Polymer (GFPR) Composites

Why is glass a popular material for fiber reinforcement?

1. It draws easily.
2. It is readily available.
3. It forms a relative strong fiber.
4. It is chemically inert especially when coupled with various plastics.

Why are newly drawn glass fibers coated with a size?

The surface of glass fibers is easily weakened. By coating the surface it is protected against undesirable environmental interactions.

What are the limitations of glass fibers?

- They are not very stiff, nor rigid.
- They can not be used over 200oC.

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