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GCSE Product Design > Smart materials > Flashcards

Flashcards in Smart materials Deck (2)
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1
Q

What are smart materials?

A

Materials that can change it’s properties depending on changes in their environment but can also change back.

2
Q

What are examples of smart materials and it’s uses?

A

Thermochromic pigments -Changes colour at specific temperatures
-mood tings, colour changing mugs

Photochromic pigments - changes colour when exposed to light
- Adaptive lenses for glasses that go dark when it’s bright

Shape memory polymer - Can be bent out of original shape but brought back to normal when heated

  • car bumpers
  • tightening medical stitches
  • gum-shields

Shape memory alloy - turn to original shape when heated

  • sporting equipment
  • car bodies
  • medical applications eg, surgical plates

Hydrogels- Absorbs water up to 1000 x it’s own volume. This water is then released when it’s dry or with changes in pH

  • hair gels
  • granules added to soil to help retain water
  • nappies