How it Works (Junior Cert Wood Technology): Flashcards
📚Flashcards
Practise the cards
12 cards from this deck
ShowHide
Practise the cards
12 cards from this deck
What is an adhesive?
What is an adhesive?
A substance used to join materials
What does chemical bonding do in adhesives?
What does chemical bonding do in adhesives?
Creates strong bonds by linking with surfaces
Three surface interaction mechanisms
Three surface interaction mechanisms
Wetting, absorption, and mechanical interlocking
What is wetting in adhesion?
What is wetting in adhesion?
Adhesive covers surfaces adequately
What is absorption in adhesion?
What is absorption in adhesion?
Adhesive penetrates porous materials for better hold
What is mechanical interlocking?
What is mechanical interlocking?
Adhesive fills surface cracks, holding materials together
Why bond wood to plastic?
Why bond wood to plastic?
Ensures smooth, joint-free surfaces
Why bond wood to metal?
Why bond wood to metal?
Adds strength for weight-bearing projects
Why bond wood to glass?
Why bond wood to glass?
Allows clear, decorative bonds
Best adhesive for wood & plastic?
Best adhesive for wood & plastic?
PVA or contact adhesives
Best adhesive for wood & metal?
Best adhesive for wood & metal?
Epoxy resins
Risk of wrong adhesive choice?
Risk of wrong adhesive choice?
Bond failure, risking the project