10-Composites Flashcards

1
Q

What is a composite material?

A
  • When two or more different materials are combined to form one material
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2
Q

Why are composite materials made?

A
  • To garner the desirable properties of multiple materials into one material
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3
Q

Name 4 composite materials

A
  • GRP (Fibreglass)
  • Tungsten Carbide
  • Concrete
  • Glulam
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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
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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
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6
Q

Concrete

A
  • Combination of cement, sand, aggregate, and water
  • Easy to mould, high compressive strength, few surface defects
  • Used in construction, foundations
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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
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