GCSE Chemistry - Alloys

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  • Created on: 31-12-12 15:34
Preview of GCSE Chemistry - Alloys

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Alloys
73.7% Iron
0.3% Carbon Harder than pure Iron Cutlery
Stainless Steel
18% Chromium Does not rust Watches
8% Nickel
Medals
90% Copper
Bronze Harder than pure copper Trophies
10% Tin
Statues
30% Copper Stronger and harder Pennies
Cupro-nickel
70% Nickel Than pure copper Coins
95% Aluminium
Light
4% Copper
Duralumin Stronger than pure Aeroplanes
1% Magnesium
aluminium
Steel
Steel is ALLOYED IRON
Soft, Easily Shaped Knives, ships, machinery,
Low Carbon Steel Not Strong bodies of cars, containers,
Not too brittle buildings
Very Strong Knives, ships, machinery,
High Carbon Steel Hard bodies of cars, containers,
Brittle buildings
Hard
Cutlery, cooking utensils,
Chromium-Nickel Steel Strong
chemical reaction vessels
Resistant to Corrosion
We make alloys to change the properties of a metal.
We might make it:
Harder
Stronger
Resistant to corrosion
Change its colour

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