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Metal - Coggle Diagram
Metal
Ferrous
castiron
all ferrous metal rust (oxidation)
mild steel
99.7%iron
0.3%carbon
needs protecting to stop rust - painting
other steel
carbon steel
higher %of carbon (0.7% - 1.4%)
much harder - can be used in tools
stainless steel
resistant to rust
cutlery, sinks
contain 18%chromium
non-ferrous
aluminium
uses
cans
foil
ladders
windows
properties
light
recyclable
soft and mellable
conducts heat and electricity
zinc
use to coat steel - galvanising
highly protective on steel
copper
properties
excellent conductor of electricity
resists corrosion
Ductile
malleable
uses
electrical cable
alloy - a mixture of 2 or more metals
reason - improves the properties of the materials
strength
appearance
durability
brass - mixture of copper and zinc
uses
musical instruments
plumbing fitting
boat fitting
Properties
resists corrosion
conduct electricity
duralumin - mixture of Al, Cu and Mg
light
durable
strong
prone to work hardening
metals come from the earth in the form of ORE
the ORE goes through a process called smelting
