3 TYPES -metals Flashcards
1
Q
FERROUS
A
A metal that contains IRON so they are
- magnetic
- goes rusty
2
Q
EXAMPLES OF A FERROUS METAL
A
low carbon steel
- tough ductile
- used for construction girders
3
Q
ALLOYS
A
A metal that had a mixture of 2 or more metals mixed in.
mixing TUNGSTEN OR CHROMIUM to steel can improve
ADVANTAGE
the best of different metals combined- COMBINED PROPERTIES
4
Q
GALVANISTING
A
is coatingsteel with zinc to stop rusting
5
Q
EXAMPLES OF AN ALLOY
A
stainless steal-cutlery
brass-musical instruments
HIGH SPEED STEEL-taps
6
Q
WHY MILD STEAL INSTEAD OF STAINLESS
A
stainless steel is-
- not ductil
- hard so won’t cut better
7
Q
NON-FERROUS
A
metals that DON’T contain iron
- not magnetic
- don’t go rusty
- do OXIDISE e.g ther verdigris on copper
8
Q
EXAMPLES OF NON-FERROUS
A
aluminium-bike frame, ductile
tin- can be alloyed with Cu to form bronze- malleable
