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Types of modern materials

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Types of modern materials

Metal foam, graphene, titanium

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Modern materials

New materials developed to have properties that are useful when designing and making products

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3

Metal foam

Lightweight, high compressive strength, can absorb energy well. Used in body armour, prosthetics and soundproofing

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4

Titanium

High corrosive strength, high strength to density ration. Used in aircraft's , paint and sunscreen

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5

Liquid crystal display

Laminated material of two layers of glass with crystal core. Used in digital watches, flat screen tv

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6

Nano materials

Increases strength in materials without adding weight. 1billionth of a metre. Used in sports equipment, surface coating

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7

Teflon

Slippery, un reactive. Used in clothing, surfaces of pans,

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8

Corn starch polymers

Degradable, renewable source, food safe. Used in disposable cutlery, food packaging

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9

Types of smart materials

Shape memory alloys, thermochromic pigment, photochromic pigment

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10

Smart materials definition

Materials with properties that change reversibly in response to change in surroundings.

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11

Shape memory alloy

Remember specific shape by heat or electric current. When bent out of shape will return to original shape. Used in glasses frames, orthodontic braces

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12

Thermochromic pigments

Changes colour or opacity with temp. May transform from opaque to transparent. Used for test strips, t-shirts that change colour

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13

Phosphorescent pigment

Glow in the dark materials that respond to light. Absorb energy from natural sources and emit light into dark. Used in watch faces,toys,stickers

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14

Photochromic pigments

Changes colour or opacity with level of ultraviolet light. Used in spectacles, clothing

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15

Types of composite materials

Glass reinforced plastic, carbon fibre reinforced plastic, concrete

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16

Glass reinforced plastic

Combines strands of glass fibre which are strong with a flexible polymer. Used to make hulks for yachts,car bodies

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17

Concrete

Good compressive strength, used for bridges, paths

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18

Carbon fibre reinforced plastic

High tensile strength, expensive, lightweight. Used in aerospace industry,motor racing

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19

Types of technical textiles

Gortex fabrics, Kevlar,conductive fabrics, fire resistant fabrics, microfibres

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Technical textiles definition

Textile materials and products that are manufactured for their technical performance rather than aesthetics characteristics

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21

Conductive Fabrics

fabrics that have conductive fibres woven into them. Not good conductor. Used in fencing suits

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22

Fire resistant fabrics

Lightweight, fireproof,flexible. Used for nightwear, fire fighter suits

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23

Kevlar

Strong, lightweight, does not melt. Used in bullet proof vests, helmets, table tennis bats

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24

Gore - tex

a waterproof fabric that is able to breath by letting water vapor pass through it. Used in trainers, walking boots

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25

Microfibres

a tightly woven microfibre used as a lining fabric. Durable, breathable, thin. Used in sportswear,outdoor furnishings

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