Metals and Alloys

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What are the properties of metals?
Conductor of electricity, conductor of heat, malleable, ductile, high melting point and high boiling point
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What is an alloy?
A mixture of one or more metals
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What is a shape memory alloy?
A shape memory alloy is an alloy that goes back to there original shape
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What is thermosetting?
Thermosetting is polymer chains with cross linking between them so that they do not melt when they are heated.
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What is thermosoftening?
Thermosetting is 2 types of polythene which have different properties, low density and high density. They are made under different conditions of high pressure and using a different catalyst.
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What is nanotechnology?
Nanotechnology is the use and control of tiny matter and the tiny matter is referred to as nanoparticles.
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What are nanoparticles used in?
Sports equipment- to make it stronger and normally lighter. Clothing - silver nanoparticles have been added to socks to stop them from absorbing the smell.
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Do nanoparticles have a high or low surface area to volume ratio?
Nanoparticles have a high surface area to volume ratio
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Other cards in this set

Card 2

Front

What is an alloy?

Back

A mixture of one or more metals

Card 3

Front

What is a shape memory alloy?

Back

Preview of the front of card 3

Card 4

Front

What is thermosetting?

Back

Preview of the front of card 4

Card 5

Front

What is thermosoftening?

Back

Preview of the front of card 5
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