Metals Flashcards
1
Q
Definition of Ferrous
A
Metals which contain iron and are magnetic - prone to rust
2
Q
Definition of Non-Ferrous
A
Metals which don’t contain iron and are not magnetic - they don’t rust
3
Q
Examples of Ferrous Metals
A
- Low carbon steel
- Cast iron
- High carbon steel
4
Q
Low carbon steel properties
A
- Grey & smooth
- Alloy
- Easy to form
- Tough & ductile
- Rusts if not protected
- Nuts, bolts, construction and bike frames
5
Q
Cast iron properties
A
- Dull grey
- Brittle
- Can be cast in a mold
- Rusts easily
- Pans, gates
6
Q
High carbon steel properties
A
- Smooth & grey
- Doesn’t rust easily
- Alloy
- Hard-wearing
- Less ductile
- Tools
7
Q
Examples of Non-Ferrous Metals
A
- Aluminium
- Copper
- Tin
- Zinc
8
Q
Aluminium properties
A
- Light grey
- Lightweight
- Strong & ductile
- Matt finish
- Drink cans, transport
9
Q
Copper properties
A
- Rose colour
- Polishes well
- Oxidises to green over time
- Electrical conductor
- Comes in sheets and rods
- Plumbing parts, electrical cable
10
Q
Tin properties
A
- Silver
- Soft and malleable
- Easy to form
- Food cans
11
Q
Zinc properties
A
- Silvery blue
- Matt finish
- Average malleability and conductbility
- Brittle
- Used to galvanise steel
12
Q
What are Metal Alloys?
A
Mixture of metal elements to improve properties or aesthetic
13
Q
Examples of metal alloys
A
- Brass
- Stainless steel
- High-speed steel
14
Q
Brass properties
A
- Gold but darkens with age
- Non-ferrous
- Easily cast & machined
- Copper + Zinc
- Musical instruments
15
Q
Stainless steel properties
A
- Hard & smooth
- Ferrous
- Silver
- Doesn’t rust
- Chromium + nickel + manganese
- Cutlery & sinks
