Material Properties (Leaving Cert Engineering): Flashcards
Practise the cards
15 cards from this deck
ShowHide
Practise the cards
15 cards from this deck
Hardness in materials
Hardness in materials
Ability to resist scratching, indentation, or surface damage
Trade-off with extremely hard materials
Trade-off with extremely hard materials
They often become brittle and can shatter under impact
Toughness in materials
Toughness in materials
Ability to absorb impact energy without fracturing
Ductility
Ductility
Capacity to be stretched into wire shapes without breaking
Elasticity
Elasticity
Ability to return to original dimensions after force removed
Elastic limit
Elastic limit
Threshold beyond which permanent deformation occurs
Why copper used in most electrical applications
Why copper used in most electrical applications
Best cost-performance balance for conductivity
Glass transition temperature
Glass transition temperature
Temp where materials change from brittle to soft, flexible
Tensile strength & units
Tensile strength & units
Max pulling force before fracturing, measured in
Fatigue resistance
Fatigue resistance
Ability to withstand repeated loading cycles over time
Creep resistance
Creep resistance
Ability to maintain shape under constant loading over time
Tension force
Tension force
Opposing forces creating a pulling effect on materials
Compression force
Compression force
Opposing forces creating a squeezing effect on materials
Bending force characteristics
Bending force characteristics
Combines both tension and compression simultaneously
Reinforced concrete composition
Reinforced concrete composition
Concrete with embedded steel rods or mesh
