Chapter 9 - Corrosion | What is corrosion?

Question 1

What is Corrosion?

Answer 1

This is the unintentional degradation of a material whilst in reaction to the the environment

Question 2

What does Corrosion affect?

Answer 2

– Planes, Trains, and automobiles (& watercraft)
– Appliances (Water heater)
– Infrastructure (pipelines for water, oil, gas)
– Bridges, steel reinforced concrete construction of all
kinds
– Art (statues, metal used for appearance)

Question 3

How much money is spent on corrosion per year in the UK?

Answer 3

£1 Billion

Question 4

List the indirect costs of corrosion

Answer 4

– Plant down time
– Loss of product
– Loss of efficiency
– Contamination
– Overdesign

Question 5

What do some metals do to help combat corrosion?

Answer 5

as metals corrode a metal oxide layer can form a durable protective coating