Introduction to Materials (Junior Cert Engineering): Flashcards
📚Flashcards
Practise the cards
14 cards from this deck
ShowHide
Practise the cards
14 cards from this deck
Foundation of all engineering & design work
Foundation of all engineering & design work
Materials
Examples of early natural materials (name 3)
Examples of early natural materials (name 3)
Stone, wood, bone, clay, horn, animal skins
3 main categories of materials
3 main categories of materials
Solids, liquids, gases
Term for solid materials that withstand forces
Term for solid materials that withstand forces
Resistant materials
Why are solids called 'resistant materials'?
Why are solids called 'resistant materials'?
They can withstand forces, used for structures & frameworks
Examples of metal solid materials
Examples of metal solid materials
Steel, aluminium, copper
Examples of plastic solid materials
Examples of plastic solid materials
Acrylic, polythene, PVC
Uses of liquid materials in engineering
Uses of liquid materials in engineering
Lubrication, hydraulics, cooling, adhesives, soldering
Actuating medium in hydraulics
Actuating medium in hydraulics
Liquid (usually oil) that transmits power
Uses of gases in engineering
Uses of gases in engineering
Pneumatic systems, heating, welding
Definition of pneumatics
Definition of pneumatics
Systems using compressed air for movement & control
Essential material knowledge areas (name any 3)
Essential material knowledge areas (name any 3)
Properties, cost, shaping methods, joining, appearance
What makes a material 'best' for an application?
What makes a material 'best' for an application?
Meets all requirements of specific application
Focus of modern material development
Focus of modern material development
Creating materials with desirable properties