Chapter 8 Flashcards
1
Q
types of metal corrosion
A
- marine
- chemicals
- other pollutants
2
Q
methods of corrosion protection
A
- galvanising
- spray/paint
- hot dip galvanising
3
Q
hot dip galvanising
A
coating the surface of the steel with a corrosion-resistant metal
4
Q
fluxing
A
flux dissolves and absorbs any remaining impurities, moisture or oxide film on the metal surface
5
Q
galvanising process
A
- preparation
- degreasing
- pickling
- rinsing
- pre-flux
- galvanising bath
- quenching
- finishing
6
Q
anticorrosion paint and coating success factors
A
- sustainability
- surface preparation
- film thickness applied
7
Q
methods of application
A
- brush application
- roller application
- conventional air spray
- pressure pot spray
- airless spray
8
Q
factors affecting coating quality
A
- initial steel surface condition
- surface preparation
- weather conditions
- paint application
- paint curing
- handling
9
Q
cathodic protection
A
- best for steel in water
- a system in which the structure to be protected is made the cathode
10
Q
surface preparation
A
- manual cleaning
- blast cleaning
- pickling
