C6.1.12 - Reducing corrosion Flashcards
1
Q
How can you reduce rusting?
A
- painting
- coating with oil, grease, or plastic
- plating with zinc (galvanising)
- plating with tin
2
Q
What is sacrificial protection?
A
Rust prevention in which a more reactive metal than iron, such as magnesium or zinc, corrodes in preference to iron or steel
3
Q
What is galvanising?
A
Coating iron or steel with a thin layer of zinc