10-Composites Flashcards
1
Q
What is a composite material?
A
- When two or more different materials are combined to form one material
2
Q
Why are composite materials made?
A
- To garner the desirable properties of multiple materials into one material
3
Q
Name 4 composite materials
A
- GRP (Fibreglass)
- Tungsten Carbide
- Concrete
- Glulam
4
Q
Glass reinforced plastic (fibreglass)
A
- Glass fibres mixed with polyester resin
- Lightweight, corrosion resistant, good compressive strength
- Used in boat hulls, kayaks, car bodies
5
Q
Tungsten carbide
A
- A cermet: ceramic and metal, specifically ceramic tungsten and cobalt metal
- Very hard and tough. Resistant to high temperatures
- Used in machinery like lathe tools, drill bits, or router bits
6
Q
Concrete
A
- Combination of cement, sand, aggregate, and water
- Easy to mould, high compressive strength, few surface defects
- Used in construction, foundations
7
Q
Glulam
A
- Combination of timber laminates and MF adhesive
- Lightweight, high structural stability, fire resistant, nice aesthetics
- Used in construction, decking, roof beams