Pages in this set

Page 1

Preview of page 1
GCSE Edexcel DT: Resistant Materials

Woods:
Material Properties Uses Image
Pine Straight grained, knotty, pale brown Construction
(Coniferous) colour. Frame work
Cheap and fairly strong Joinery
Not durable naturally but it is enhanced
using varnish.
Oak Very strong, heavy and durable High class furniture
(Deciduous) Expensive Boat building
Garden furniture…

Page 2

Preview of page 2
Metals:
Material Properties Uses Image
Cast Iron 3.5% carbon Crushing machinery
(Ferrous) Heavy, brittle and strong (compression Vices
only) Engine blocks



Mild Steel 0.15-0.35% carbon Frame work
(Ferrous) Tough, ductile, malleable, high tensile Screws
strength
Easily welded or brazed


High carbon Very hard wearing, less malleable, Cutting tools
steel ductile…

Page 3

Preview of page 3
Plastics:
Material Properties Uses Image
Acrylic Glass like transparency, various Perspex
(Thermo) colours/textures Car head lamps
Smooth and brittle (normally) Safety glasses



Low density Light, flexible Plastic bags
polyethylene Low melting point Bubble wrap
(Thermo) Food containers



High density Stiff, hard and very strong Toys
polyethylene Buckets
(Thermo) Helmets
Kitchen…

Page 4

Preview of page 4
Material Properties Uses Image
Glass reinforced Glass fibres are light but strong in Racing car bodies
Polyester tension (not compression) Pond linings
(Fibre reinforced Together with polyester resin they
plastic) constitute consistent strength in all
directions
Superior qualities to competition
Carbon Very light but strong also Has replaced ash in…

Page 5

Preview of page 5
Smart materials and nanotechnology:
Material Properties Uses Image
Nitinol Shape memory alloy Keyhole surgery
(Smart material) An alloy of Nickel and Titanium Hip replacement surgery
One type shrinks 5% if a current is Greenhouse windows
induced along it Glasses
Another (if broken) returns back to its
"remembered" shape at high…

Page 6

Preview of page 6
Nano-Biometrics Nano-Silver technology Medical drugs
(Nanomaterial) Extremely powerful medicines
Not commercial however they have
the potential to destroy resistant
viruses like "superbugs"

Comments

No comments have yet been made

Similar Design & Technology: Resistant Materials resources:

See all Design & Technology: Resistant Materials resources »See all resources »