Metals And Alloys

Question 1

What are Shape, Memory Alloys do?

Answer 1

The Alloys bend into shape and heat back to the original

Question 2

What are Shape,Memory Alloys for?

Answer 2

Dental (Braces)

Healing bones

Question 3

What does it mean when the Poly(Ethene) Particles are weak? (All over the place)

Answer 3

Low density

Low melting point

Question 4

What does it mean when the Poly(Ethene) Particles are strong?(neatly positioned)

Answer 4

High density

High Melting point

Question 5

Advantages of ThermoSoftening?

Answer 5

Chains of Polymers

Can be remoulded

Easy to separate

Melt quite easily

Question 6

What is thermosoftening used for?

Answer 6

Bottle

Containers

Question 7

What’s thermoSetting used for?

Answer 7

Spatulas

Sockets/Plugs

Pan handles

Question 8

What’s ThermoSoftening?

Answer 8

Covalent Bonds

Strong and they link up polymer chains

Question 9

Advantages of Thermosetting?

Answer 9

They are strong covalent bonds, holding chains

Question 10

Why are Alloys harder and stronger than Mixed Metals?

Answer 10

As they have different sized atoms of mixed metals