Modern Materials

Question 1

Define modern materials

Answer 1

Materials that are made using the invention of new improved process

Question 2

State feature of Kevlar

Answer 2

1. High cut resistance (need lots of pressure to cut through)
2. High heat resistance (need lots of heat to melt)

Question 3

What can you use Kevlar for?

Answer 3

1. Bullet proof vest
2. cut-proof gloves
3. bike tyres

Question 4

State features of precious metal clay (PMC)

Answer 4

Easy to shape

Can make hard by firing in kiln (oven)

cheaper compared to silver

Question 5

State two uses of precious metal clay (PMC)

Answer 5

1. Jewellery
2. Sculptures
3. pots

Question 6

State features of high-density modelling foam

Answer 6

1. Lightweight
2. Sands easily

Question 7

State two uses of high-density modelling foam

Answer 7

1. 3D models
2. Prototypes

Question 8

State features of polymorph

Answer 8

1. can be heated with water or hair dryer
2. becomes solid at room temperature

Question 9

State two uses of polymorph

Answer 9

• Modelling
• Shaping ergonomic handles
• Prototype mechanical parts