Smart Materials

Question 1

SMA’s

Answer 1

Shape Memory Alloys

• alloys that can be ‘programmed’ to remember a certain shape.
• when bent out of shape they’ll return to their original shape under a certain temperature.
• programmed with heat or electric current
• used in products such as braces

Question 2

Thermochromic pigment

Answer 2

• Changes colour when temp changes.

- pigment can be added into many materials and finishes

Question 3

Phosphorescent Pigment

Answer 3

• glow in the dark materials that respond to light

- absorbs energy from natural light and emits it when in the dark

Question 4

Photochromic Pigment

Answer 4

changes colour or opacity depending on the ultraviolet light.

Commonly seen in sunglasses and clothing.