Smart Materials Flashcards
1
Q
Shape memory alloys
A
-Changes shape in response to change in temperature or electrical input
- Dental braces
2
Q
Thermochromic Pigment
A
- Changes colour in response to temperature change
-medical thermometers, baby feeding spoons
3
Q
Phosphorescent pigment
A
- Absorbs light energy and re-emits the energy when it gets dark
-Fire exit signs
4
Q
Photochromic pigment
A
-changes colour in response to light intensity
- Reactive glasses lenses ( get darker the brighter it is)
5
Q
Electroluminescent wire
A
-Thin copper wire coated in low electrical current material
- lights on aeroplane floor
6
Q
Piezoelectric Material
A
-Gives off small electrical current when deformed
-Musical greeting cards, pressure sensors