Metal (Finishes) Flashcards
1
Q
Why are finishes needed for metals?
A
Prevent corrosion
Aesthetics
2
Q
What happens before treatments/finishes are added to a metal?
A
Smoothing
Cleaning - abrasives + chemical cleaners
3
Q
What is dip coating?
A
Covering a metal with a thin layer of polymer
4
Q
What is powder coating?
A
Spraying plastic powder onto a metal part and heating it
5
Q
What is galvanising?
A
Coating a base metal with zinc (a more reactive metal)
6
Q
What is painting (finishing)?
A
Applying a liquid coating to a surface
7
Q
What is anodising?
A
An electrochemical process that thickens the oxide layer on metals, mainly aluminium
