Properties Of Materials Flashcards
What are ceramics good for
The insulators of heat and electricity brittle and stiff
What are polymers good for
Insulators of heat and electricity they can be flexible and easily moulded polymers have many applications including clothing and insulators in electrical items
What are the properties of composite depend on
The matrix/binder and the reinforcement used to make them so they have different uses
What are metals good for
Malleable good conductors of heat and electricity ductile (could be drawn into wires) shiny and stiff metals have many uses including electrical wires, car bodywork and cutlery
What does the regular structure of pure metals make them
Soft
What are added to metals to make them harder than pure metals
Alloys
What is often used instead of pure iron
Steels
How are steel made
By adding small amounts of carbon and sometimes other metals to iron
What is bronze made from
Copper and tin
What is bronze used for
Harder than copper is used to make medals decorative ornaments and statues
What makes brass
Copper and zinc
What is brass used for
Press is more valuable than bronze and is used in situations were lower friction is required such as in water taps and door fittings
What are gold alloy is used for
Jewellery
What can be used to harden gold
Other metals such as zinc copper and silver
What does 24 carat gold mean
Pure gold
