Alloys (AQA GCSE Chemistry): Flashcards
📚Flashcards
Practise the cards
15 cards from this deck
ShowHide
Practise the cards
15 cards from this deck
What are alloys?
What are alloys?
Mixtures of metals
Why are alloys used instead of pure metals?
Why are alloys used instead of pure metals?
Harder, stronger, resist corrosion better, more useful
Cast iron key property
Cast iron key property
Brittle (breaks easily) but strong in compression
4 uses of cast iron
4 uses of cast iron
Manhole covers, drain pipes, pillars, garden furniture
What is steel made from?
What is steel made from?
Iron mixed with carbon (sometimes other metals)
Effect of more carbon in steel
Effect of more carbon in steel
Stronger but more brittle
Low-carbon steel properties
Low-carbon steel properties
Soft and easy to shape
High-carbon steel use
High-carbon steel use
Cutting tools (stronger but more brittle)
Stainless steel composition
Stainless steel composition
Contains chromium and nickel
Stainless steel properties
Stainless steel properties
Hard and resistant to corrosion
18 carat gold percentage
18 carat gold percentage
75% gold
Metals mixed with gold in alloys
Metals mixed with gold in alloys
Copper, silver, zinc
Brass composition
Brass composition
Copper + zinc
Bronze composition
Bronze composition
Copper + tin
Duralumin use
Duralumin use
Aircraft construction (low density, strong)