Decorative Finishing Processes (Junior Cert Engineering): Flashcards
📚Flashcards
Practise the cards
15 cards from this deck
ShowHide
Practise the cards
15 cards from this deck
Purpose of decorative finishing processes
Purpose of decorative finishing processes
Improve appearance & protection of manufactured items
3 main categories of decorative finishing
3 main categories of decorative finishing
Mechanical, chemical, & coating processes
What polishing creates on metal surfaces
What polishing creates on metal surfaces
Smooth, shiny surface using abrasive compounds
Pattern created by mottling
Pattern created by mottling
Decorative circular patterns
Tool & paste used for mottling
Tool & paste used for mottling
8mm wooden dowel with carborundum paste
Surface finish created by hammering
Surface finish created by hammering
Textured surface via controlled impact patterns
Repoussé technique & embedding material
Repoussé technique & embedding material
Raised designs worked from reverse in pitch
Most common engraving tool
Most common engraving tool
Square graver
How etching creates decorative patterns
How etching creates decorative patterns
Acid removes metal selectively
Enamelling process & firing temperature
Enamelling process & firing temperature
Fuses powdered glass onto metal at 850°C
Colours created by blueing/heating steel
Colours created by blueing/heating steel
Attractive colour gradients/rainbow-like transitions
Painting sequence (3 coats in order)
Painting sequence (3 coats in order)
Primer, undercoat, topcoat
Fluidised bed pre-heat temp for polyethylene
Fluidised bed pre-heat temp for polyethylene
180°C for low-density polyethylene
Article's electrical role in electroplating
Article's electrical role in electroplating
Cathode (negative terminal)
4 common electroplating metals
4 common electroplating metals
Copper, chrome, silver, gold