Composites and Their Properties

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Composite

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A material made from two or more different materials, combining their properties.

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Reinforced Concrete

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Consists of steel bars with concrete around them, withstanding high squashing and stretching forces.

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Carbon Fibre

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Thin tubes of carbon woven into a fabric, used in composites like CFRP.

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Glue-like Polymer

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Moulded into different shapes when soft, used in carbon-fibre-reinforced plastic.

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CFRP Advantages

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Lower density than steel, does not rust, can be moulded into any shape.

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CFRP Disadvantages

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Expensive and can be badly damaged if crashed.

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Burj Khalifa Material

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Made from reinforced concrete, providing strength and durability.

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Properties of Composites

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Combination of properties from the materials in them.

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Steel in Concrete

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Not damaged by stretching forces, adds strength to concrete.

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Concrete in Reinforced Concrete

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Not damaged by pressing forces, works with steel to withstand forces.