Alloys 1
How many mixtures are needed in an alloy?
2 or more
Alloys last ________ than metals
longer
True/False
Alloys are easy to rust
False
How does the melting point of alloy compare with a pure metal?
Higher than the pure metal
Steel is made up of...
Iron and carbon
An alloy has to include...
a metal
Alloys have higher ___________ than metals
melting points
True/False
Alloys are stronger than pure metals
True
How does the malleability of alloys compare with a pure metal?
Less malleable than the pure metal
Two common alloys
stainless steel, cast iron, bronze, brass
The 3 most important alloys today are...
steels, bronze, brass
copper and tin
True/False
Alloys have a better appearance than pure metals
True
Components in gold alloy
Gold and silver or copper
Some musical instruments are made up of this alloy.
Brass
Alloys are more ________ than metals
stronger or durable
4 Components in stainless steel
iron, carbon, chromium, nickel
True/False
All atoms in alloys have the same size
False
Alloy for making aircraft body
duralumin
Surgical steel is made up of...
Iron (Fe), Chromium (Cr), Nickel (Ni) and Molybdenum (Mo)