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edexcel a-level product design > 1: Textiles & Smart Materials > Flashcards

1: Textiles & Smart Materials Flashcards

1
Q

Cotton (3)

A

Textile: good absorption, breathable, non-allergenic

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2
Q

Linen (4)

A

Textile: strong, breathable, durable, light

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3
Q

Wool (3)

A

Textile: good thermal insulator, elastic, flame resistance

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4
Q

Nylon (4)

A

Textile: man-made, doesn’t absorb water, durable, elastic

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5
Q

Polypropylene (4)

A

Textile: man-made, doesn’t absorb water, durable, lightweight

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6
Q

Polyester (3)

A

Textile: man-made, elastic, resists creases

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7
Q

Thermo-Ceramics (5)

A

Smart: Very hard up to very high temperature, high heat resistance, strong, brittle, expensive

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8
Q

Shape Memory Alloys (SMA) (2)

A

Smart: changes shape when temperature changes, ‘remember’ their shape and are able to return to that shape even after being bent

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9
Q

Reactive Glass (2)

A

Smart: changes tint based on temperature, darkens when hot to block heat from entering

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10
Q

liquid crystal display (LCD) (2)

A

Smart: liquid crystals change colour when voltage applied, cell turns from light to dark

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11
Q

Photochromic (2)

A

Smart: changes colour with light intensity, Silver-halide reacts with UV radiation and changes size by a fraction of a nanometre

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12
Q

Thermochromic (1)

A

Smart: changes colour based on temperature

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13
Q

Quantum Tunnelling Composites (2)

A

Smart: conducts electricity when pressure applied, Insulating rubber containing tiny metal particles

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14
Q

Examples: Thermo-Ceramics

A

Crucibles, furnace tubes

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15
Q

Examples: Shape Memory Alloys (SMA)

A

dental braces, stents, self closing windows

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16
Q

Examples: Reactive Glass

A

office block windows, conservatories

17
Q

Examples: liquid crystal display (LCD)

A

digital screens, calculators

18
Q

Examples: Photochromic

A

welding goggles, car rear view mirror

19
Q

Examples: Thermochromic

A

thermometers, toys, kettles, food packaging

20
Q

Examples: Quantum Tunnelling Composites

A

touch screen, phone buttons, pressure sensors

edexcel a-level product design (16 decks)

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