Alloys Flashcards
1
Q
What is an Alloy?
A
A mixture of two or more metals or a mixture of a metal and a non-metal.
2
Q
How are steels formed?
A
By adding small amounts of carbon and sometimes other metals to the iron.
3
Q
Why are Alloys useful?
A
They are harder than pure metals
4
Q
CUPRONICKEL= COPPER+NICKEL
A
Hard and corrosion resistant
Used to make silver coins
5
Q
What metals are used to harden pure gold?
A
Copper, silver and nickel
