1.2 Classification of Composites

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9 Terms

1
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What is CFRP (Carbon Fibre Reinforced Polymer)?

Lightweight, corrosion-resistant, tough, hard, with good compressive strength and low thermal expansion. Used for sports equipment (bicycle frames, tennis racquets, fishing rods), racing car bodies, helmets, and prosthetics.

<p>Lightweight, corrosion-resistant, tough, hard, with good compressive strength and low thermal expansion. Used for sports equipment (bicycle frames, tennis racquets, fishing rods), racing car bodies, helmets, and prosthetics.</p>
2
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What is GRP (Glass Fibre Reinforced Polymer)?

Lightweight, corrosion-resistant, tough, hard, with low thermal expansion and good compressive strength. Used for boat hulls, pond liners, kayak shells, sports car bodies, and train cabs.

<p>Lightweight, corrosion-resistant, tough, hard, with low thermal expansion and good compressive strength. Used for boat hulls, pond liners, kayak shells, sports car bodies, and train cabs.</p>
3
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What is Tungsten Carbide?

A cermet (ceramic tungsten + cobalt metal), hard, tough, high-temperature resistant, and corrosion-resistant. Used for cutting tools (drill bits, lathe tips, router bits) and kitchen knives.

<p>A cermet (ceramic tungsten + cobalt metal), hard, tough, high-temperature resistant, and corrosion-resistant. Used for cutting tools (drill bits, lathe tips, router bits) and kitchen knives.</p>
4
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What is Aluminium Composite Board?

Aluminium sheets with a polyethylene core; lightweight, rigid, tough, malleable, good thermal and sound insulation, and vibration damping. Used for soundproofing in cars and buildings, as well as signage.

<p>Aluminium sheets with a polyethylene core; lightweight, rigid, tough, malleable, good thermal and sound insulation, and vibration damping. Used for soundproofing in cars and buildings, as well as signage.</p>
5
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What is Concrete made of, and what are its properties?

Made of cement, sand, aggregate, and water. High compression strength, low tensile strength, few surface defects, easy to mould. Used for pathways, beams, blocks, driveways, and house foundations.

<p>Made of cement, sand, aggregate, and water. High compression strength, low tensile strength, few surface defects, easy to mould. Used for pathways, beams, blocks, driveways, and house foundations.</p>
6
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What is Reinforced Concrete, and what are its uses?

Concrete with low-carbon steel rods (rebar). High compression and tensile strength, consistent, fire-resistant, with few surface defects. Used for buildings, bridge spans, retaining walls, and grid floors.

<p>Concrete with low-carbon steel rods (rebar). High compression and tensile strength, consistent, fire-resistant, with few surface defects. Used for buildings, bridge spans, retaining walls, and grid floors.</p>
7
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What is Fibre Cement, and where is it used?

Concrete with polymer or steel fibres, lighter than reinforced concrete, hard, tough, resistant to freeze/thaw. Used for suspended floors, pathways, and complex shapes.

<p>Concrete with polymer or steel fibres, lighter than reinforced concrete, hard, tough, resistant to freeze/thaw. Used for suspended floors, pathways, and complex shapes.</p>
8
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What is Engineered Wood (e.g., Glulam)?

Timber laminates with MF adhesive; aesthetic, lightweight, corrosion-proof, fire-resistant, and structurally stable. Used for beams, bridges, domes, decking, roof beams, and rafters.

<p>Timber laminates with MF adhesive; aesthetic, lightweight, corrosion-proof, fire-resistant, and structurally stable. Used for beams, bridges, domes, decking, roof beams, and rafters.</p>
9
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What is a composite material?

A material made from two or more materials, combining to enhance properties. Example: GRP (glass fibres + polyester resin) is tough and hard despite glass fibres being brittle.