smart materials Flashcards
1
Q
SMAs
A
changes shape in response to a change in temp or electrical input
dental braces
self closing windows
2
Q
thermochromic pigment
A
changes colour in response to temp change
room thermometers
bath water thermometers
cups
3
Q
phosphorescent pigment
A
absorbs light energy during the day and remits the light at night
fire exit signs
night lights
4
Q
photochromic pigment
A
changes colour with light intensity
welding goggles
5
Q
electroluminescent wire
A
thin copper wire coated in phosphorescent material which glows in response to alternating current
glow bracelets
outdoor lighting
6
Q
piezoelectric material
A
small electric charge when deformed
increases in size when an electrical current is passed through
airbag sensors
musical greeting cards
