Metal Finishes (Junior Cert Wood Technology): Flashcards
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Main weakness of metals like iron & steel
Main weakness of metals like iron & steel
Susceptible to corrosion (rust/tarnish)
Purpose of metal finish
Purpose of metal finish
Protective barrier
Primary benefit of metal finishes
Primary benefit of metal finishes
Preventing rust and tarnish
First step when painting metal
First step when painting metal
Thoroughly cleaning the metal
Main advantage of painting metal
Main advantage of painting metal
Vast range of colours available
Lacquering acts as a...
Lacquering acts as a...
Transparent protective layer
Key advantage of lacquering
Key advantage of lacquering
Preserves natural shiny appearance
How electroplating works
How electroplating works
Electrical current deposits thin metal layer
Advantage of electroplating
Advantage of electroplating
Makes inexpensive metals appear like costly ones
Galvanising process
Galvanising process
Dipping in molten zinc
Key advantage of galvanising
Key advantage of galvanising
Extremely strong protection against rust
How bluing (gun bluing) works
How bluing (gun bluing) works
Treats steel with heat or chemicals
Powder coating process
Powder coating process
Electrostatic gun sprays powder, then baking in oven
Key advantage of powder coating
Key advantage of powder coating
Exceptionally durable
Limitation of polishing
Limitation of polishing
Provides minimal corrosion protection