Corrosion

Paper instructions:i
Year 12
Write an analytical essay based on the results of your investigation into methods used by marine industries to prevent, accelerate and restore corrosion by

collecting, collating, and analysing data. You will also need to compare environmental conditions e.g. shallow and deep waters, tropical and arctic waters. Present

your findings as an informative text that could be published in a scientific journal. Your findings may be supported by appropriate tables of data, diagrams and flow

charts.

Essay Outline:
•    Corrosion
•    Metal eg. Iron
•    How does it relate to ships?
•    Types of corrosion
•    Salt vs fresh
•    Temperature
•    Weather
•    Galvanicing- electroplating
•    Physical barriers
•    Depends on metal
•    Time/money/value
•      Examples
•    solution