Smart Materials Flashcards
State all the smart material types.
phosphorescent
thermochromic
piezoelectric
photochromic
How do thermochromic pigments work?
Hot and cold temperatures triggers a change of colour.
What are thermochromic pigments used in?
room thermometers
children’s cutlery
novelty goods and colour changing clothing
How do photochromic pigments work?
Uv light stimulates particles in a special pigment
Where are photochromic pigments used?
novelty goods
colour changing paints
sunglasses
How do piezoelectric materials work?
Generate a small electric charge when sensors are compressed.
What are piezoelectric materials used in?
generating electricity
keyless car entry
seat belt alarm
What are shaped memory alloys?
These are metal alloys that can remember their shape when heated.
What is shaped memory alloy used in?
glasses frames
medical stents
braces
What are the uses of quantum tunnelling composite?
computers
mobile phones
State all the smart material stimuli.
Stress
Temperature
Moisture
pH
Electric or magnetic fields
UV light