Metals Flashcards
(10 cards)
What isa ferrous metal ?
Contain iron
Generally tend to corrode (rust) so need some form of protection against corrosion
Almost all metals are magnetic
Examples of ferrous metals ?
Mild steel
Stainless steel
Properties and uses of mild steel ?
Properties
The most common ferrous metal and the softest one
Quite cheap and strong metal so it is used frequently in tech design
Rusts easily and cannot be hardened or tempered
Uses
Used for nuts and bolts, screws, stool legs, washing machines and car bodies
Properties and uses of stainless steel?
Properties
A hard metal that will not rust but is more expensive
Uses
Used for sinks, kettles, medical equipment and cutlery
What is a non- ferrous metals ?
(Do not contain iron ) and therefore not corrode
Examples of non - ferrous metals?
Aluminium
Copper
Properties and uses of aluminium ?
Properties
Light, soft, easily shaped and silvery in colour
Conducts heat and electricity well
Polishes well
Uses
Used for window frames, saucepans, cooking foil and aircraft
What are the properties and uses of copper ?
Tough but easily shaped and soldered , as relatively soft, mal lu le and ductile Conducts heat electricity well Quite expensive Uses Used for water pipes, wires
Why are alloys of metals formed ?
To combine he properties of more than on material
Example of a metal alloy
Properties and uses ?
BRASS Properties Heavy, quite hard and quite strong Malinke and ductile Corrosion resistant
Uses
Electrical parts , door handles, bath room fittings and accessories and musical instruments