1.2-Modern materials

Question 1

What are modern materials

Answer 1

• these are developed through the invention of new or improved processes
• they are not ‘smart materials’ as they do not react to external changes

Question 2

Kevlar - features and uses

Answer 2

• aramid fibres with high cut and high reisistant properties

- body armour, cut proof gloves and aprons, aerospace applications

Question 3

Precious metal clay - features and uses

Answer 3

-clay consistency material made up of fine metal particles
-works like ceramic clay
inexpensive compared to solid metals
-jewellery, decorative items

Question 4

High density modelling foam - features and uses

Answer 4

• polyurethane closed cell foam blocks or sheets
• lightweight and easy to work using woodworking tools
• 3D modelling

Question 5

Polymorph - features and uses

Answer 5

• granules that become mouldable at 60C
• can be heated in water
• available in liquid form
• modelling, prototype mechanical parts