Corrosion

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6 Terms

1
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Corrsion

The breakdown of a metal as a result of chemical reactions with its environment

2
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What are the benifits of corrsion

After it erodes the metal it could become stronger and then any further corrsion cannot happen

3
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Rust

  • Allows for for more steel to be corroded

  • Flaky material

  • Does not stick to underlying steel

4
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Causes of corrosion

  • Oxygen and water (for corrosion of iron)

  • Electrolytes (helps speed up the process of corrosion)

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Ways of preventing corrosion

  • Protective coatings

  • corrosion resistant materials

  • Mindfulness of its enviroment

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galvanized steel

  • coated with a thin layer of zinc.

  • Helps because the zinc corrodes before the iron. Which forms a protective oxide layer.