Corrosion Flashcards
1
Q
What is a tarnish
A
protective oxide layer
2
Q
What is sacrificial protection
A
Mg or Zn attached to metak bc they oxidise fater
3
Q
A
4
Q
What is electroplating
A
coat metal with another to prevent corrosion
5
Q
What do you put at the cathode during elecrtoplating
A
object you are electroplating
6
Q
What do you put at the anode during electroplating
A
bar of metal used for plating
7
Q
What do you put in the electrolyte during electroplating
A
metal ions of metal used for plating
8
Q
What is Glavanising
A
metals coated in zinc
9
Q
What is tin plating
A
tin doesnt react with water or air
10
Q
What are alloy steels?
A
add elements to iron
11
Q
What are stainless steels
A
resist rusting(chromium)
