1
Q
What type of metals have iron in them?
A
Ferrous metals.
2
Q
What metals don’t have iron in them?
A
Non-ferrous metals.
3
Q
What are alloys?
A
Metals that are mixed with other metals to create a more suitable material for its use.
e.g. steel.
4
Q
What are thermoplastics?
A
A plastic polymer that becomes malleable/mouldable at a certain temperature.
aka thermosoftening plastics.
5
Q
What are thermosetting plastics?
A
These are plastics that harden with heat/exothermic reactions.
e.g. epoxy resin.
Engineering GCSE
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