alloys Flashcards
State one thing that is different about alloys than metals
they are harder
atoms are upset/jumble up layers of atoms making it more difficult for them to slide over each other .
What are alloys?
mixture of 2 metals or one non-metal
Name one alloy and what its made form?
steel
iron and carbon
State properties of steel and things made form it
stronger,harder
less likely to rust
bridges , engines
Name 5 more alloys and their uses and why?
Bronze,medals-harder than copper
Brass,water taps-more malleable than bronze
Gold alloys,jewellery-zinc,copper used to strengthen gold
Aluminium,aircraft-low density important factor for aircraft manufacture.Alloyed to strengthen
Magnalium,make car and aeroplane parts -stronger,lighter and corrodes less easily than pure aluminium