Smart Materials Flashcards

1
Q

State all the smart material types.

A

phosphorescent
thermochromic
piezoelectric
photochromic

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1
Q

How do thermochromic pigments work?

A

Hot and cold temperatures triggers a change of colour.

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2
Q

What are thermochromic pigments used in?

A

room thermometers
children’s cutlery
novelty goods and colour changing clothing

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3
Q

How do photochromic pigments work?

A

Uv light stimulates particles in a special pigment

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4
Q

Where are photochromic pigments used?

A

novelty goods
colour changing paints
sunglasses

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5
Q

How do piezoelectric materials work?

A

Generate a small electric charge when sensors are compressed.

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6
Q

What are piezoelectric materials used in?

A

generating electricity
keyless car entry
seat belt alarm

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7
Q

What are shaped memory alloys?

A

These are metal alloys that can remember their shape when heated.

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8
Q

What is shaped memory alloy used in?

A

glasses frames
medical stents
braces

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9
Q

What are the uses of quantum tunnelling composite?

A

computers
mobile phones

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10
Q

State all the smart material stimuli.

A

Stress
Temperature
Moisture
pH
Electric or magnetic fields
UV light

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