20975445
Description
Mind Map by E M, updated more than 1 year ago
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Created by Niamh Walsh
almost 9 years ago
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Copied by E M
about 4 years ago
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DT Modern &
Smart Materials
(B)
- Modern
- Carbon
fibre
- made up of carbon woven into a
cloth, impregnatted with resin to
hold them together
- very
lightweight
- high strength
- often used in F1
racing and sports
equipment
- made up of carbon woven into a
cloth, impregnatted with resin to
hold them together
- Polymorph
- a low melt polymer (60˚c)
which can be remoulded easily
- a low melt polymer (60˚c)
which can be remoulded easily
- Composite materials are made up
of different materials which are
combined to improve their
properties.
- Man made
boards
- Flexi ply
- as with ordinary plywood,
there is an odd number of
layers - usually 3
- expensive
- used for aesthetics and
on furnitiure
- as with ordinary plywood,
there is an odd number of
layers - usually 3
- Plywood: used for furniture and
construction Chipboard is used
for furniture panels and
construction
- Flexi ply
- Glass-reinforced plastic (GRP) | lass
fibres and resin | used for Boats,
instrument cases
- Man made
boards
- Technical textiles
- Modern textiles can be engineered to have
numerous properties, such as additional strength
or resistance to fire, water and even dirt.
- Nomex Heat resistant
and lightweight
- used for Firefighters’ outfits
- used for Firefighters’ outfits
- Kevlar
- has 5x the
strength-to-weight ratio
of steel
- fibres are woven
together flat
- used for bulletproof
vests
- has 5x the
strength-to-weight ratio
of steel
- Elastane
- Stretchy, retains
shape well, cheap
and used for
sportswear,
leggings
- Stretchy, retains
shape well, cheap
and used for
sportswear,
leggings
- Microfibres are much thinner than human
hairs and can be coiled to provide a very
warm, soft or absorbent material that can
be used in winter clothes or products such
as cleaning cloths.
- Microencapsulation involves encapsulating liquid or solid
substances in tiny thin-walled bubbles. These microspheres
gradually release active agents when rubbed, which rupture the
thin-walled membrane. This can bring benefits such as smelling
good to cover body odours in sports clothing. A similar
technology is used in the scratch and sniff perfume and
aftershave samples in magazines.
- Nomex Heat resistant
and lightweight
- Modern textiles can be engineered to have
numerous properties, such as additional strength
or resistance to fire, water and even dirt.
- Carbon
fibre
- Smart
- Thermochromic
pigments
- Change colour in
response to heat
- Change colour in
response to heat
- Phosphorescent
pigments
- absorb light and then
release the light
energy over a period
of time
- e.g. emergency
warning signs,
24hr clock faces
- absorb light and then
release the light
energy over a period
of time
- Shape memory
alloys
- e.g. nitinol
wire
- shrinks in length by 5%
when an electrical
current is passed
through it
- shrinks in length by 5%
when an electrical
current is passed
through it
- e.g. memoflex glasses
- nickel/titanium alloy which will
return to its original shape at
room temperature after being
deformed. A 'superelastic' alloy
- nickel/titanium alloy which will
return to its original shape at
room temperature after being
deformed. A 'superelastic' alloy
- e.g. nitinol
wire
- Photochromic pigments
- Change colour in
response to light
- Change colour in
response to light
- Thermochromic
pigments
- What
- Where
- Who
- When
- Why
- How
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