Modern Composite And Emerging Technologies

Question 1

What is a thermochromic material and a use of it

Answer 1

Changes colour as temperature changes

Used on contact thermometers

Question 2

Graphene properties and uses

Answer 2

1 carbon atom layer thick
Light
strong
Thin
Great conductor (thermal + electrical)

Main use hasn’t been found because of its versatility

Question 3

3 types of hologram and applications of each

Answer 3

Reflection: galleries
Transmission: displays
Embossed: credit card

Question 4

Photochromic materials properties and uses

Answer 4

Increase absorption when exposed to light
Sunglasses

Question 5

Phosphorescent pigments

Answer 5

Absorbs light and slowly re-emits it
Glow in the dark toys

Question 6

Liquid crystal displays

Answer 6

Produce images on screen using back light that is shone through crystals

Calculator

Question 7

PEEK

Answer 7

Good chemical resistance
Thermal conductor

Pistons

Question 8

PPSU

Answer 8

Good electrical insulator
Strong

Medical instrument components

Question 9

Graphene

Answer 9

Good strength to weight ratio
Electrical conductor

Energy storage