Smart Materials Flashcards

1
Q

Shape memory alloys

A

-Changes shape in response to change in temperature or electrical input
- Dental braces

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Thermochromic Pigment

A
  • Changes colour in response to temperature change
    -medical thermometers, baby feeding spoons
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Phosphorescent pigment

A
  • Absorbs light energy and re-emits the energy when it gets dark
    -Fire exit signs
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Photochromic pigment

A

-changes colour in response to light intensity
- Reactive glasses lenses ( get darker the brighter it is)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Electroluminescent wire

A

-Thin copper wire coated in low electrical current material
- lights on aeroplane floor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Piezoelectric Material

A

-Gives off small electrical current when deformed
-Musical greeting cards, pressure sensors

How well did you know this?
1
Not at all
2
3
4
5
Perfectly