Learning objective
Students should be aware of the ways that metals can be finished to enhance their appearance or prevent corrosion. Including applied finishes: • cellulose paint • acrylic paint • electro-plating • dip coating • powder coating • galvanising • sealants • preservatives • anodising • plating • coating • cathodic protection. Wood finishing.
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The use of finishes
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The use of finishes
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Quick explanation
Students should be aware of the ways that metals can be finished to enhance their appearance or prevent corrosion. Including applied finishes: • cellulose paint • acrylic paint • electro-plating • dip coating • powder coating • galvanising • sealants • preservatives • anodising • plating • coating • cathodic protection. Wood finishing
- This point belongs to The use of finishes, especially The use of finishes.
- You need to be able to students should be aware of the ways that metals can be finished to enhance their appearance or prevent corrosion. Including applied finishes: • cellulose paint • acrylic paint • electro-plating • dip coating • powder coating • galvanising • sealants • preservatives • anodising • plating • coating • cathodic protection. Wood finishing.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Why it matters
This objective helps connect The use of finishes to exam-style questions, flashcards, and revision notes for The use of finishes.
Quick student answer
Which of the following finishes is primarily used to prevent corrosion on steel?
Direct answer
Galvanising is a process that involves coating steel with a layer of zinc to prevent rusting and corrosion.
Key terms
- Electro-plating: A process that uses electrical current to reduce dissolved metal cations so that they form a coherent metal coating on an electrode.
- Powder coating: A finishing process that applies a dry powder to a surface, which is then cured under heat to form a hard, protective layer.
Common trap
Confusing anodising with galvanising: Anodising is primarily for aluminium to enhance its oxide layer, while galvanising is specifically for steel to prevent rust.
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