Using and working with metals (AQA GCSE Design and Technology): Flashcards
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Practise the cards
15 cards from this deck
Three processes that modify metal characteristics
Three processes that modify metal characteristics
Alloying, hardening, and tempering
Fusibility
Fusibility
How easily a metal can be melted and shaped
Malleability
Malleability
How easily a metal can be hammered into sheets
Ductility
Ductility
How well a metal can be drawn into wires
Toughness (mechanical property)
Toughness (mechanical property)
Ability to absorb energy before breaking
Hardness (mechanical property)
Hardness (mechanical property)
Resistance to scratching or denting
Elasticity
Elasticity
Ability of metal to return to original shape after bending
Plasticity
Plasticity
Ability to be permanently deformed
Strengthen metal by changing structure (method)
Strengthen metal by changing structure (method)
Bending or folding
Effect of folding flat metal sheets
Effect of folding flat metal sheets
Makes them much more rigid and strong
Why stainless steel is ideal for kitchen utensils
Why stainless steel is ideal for kitchen utensils
Easy to clean (hygiene), corrosion-resistant, scratch-resistant, can be easily formed
Aesthetic property of stainless steel
Aesthetic property of stainless steel
Shiny surface, scratch-resistant
Key mechanical property of cast iron for vises
Key mechanical property of cast iron for vises
High compressive strength
Environmental factors in material selection
Environmental factors in material selection
Sustainability, waste management, recycling, energy demands
Economic consideration in material choice
Economic consideration in material choice
Cost of raw materials, conversion costs vs target price