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Smart Materials

Smart Memory Alloys, Smart Memory Polymers, Polymorph, Thermochromic and Photochromic materials
by

Rebecca Spender

on 14 November 2014

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Transcript of Smart Materials

Shape Memory Alloy
(SMA)

Property:
What is a SMART
MATERIAL?
Trigger:
Applications:
remembers a shape
heat
medical - surgery
moving parts eg. robots
open or close valves
ADSM
Material:
nitinol (nickel titanium)
Shape Memory Polymers
Property:
Trigger:
Applications:
remembers a shape
heat
decorative key fob
Material:
acrylic
http://www.bbc.co.uk/learningzone/clips/jem-explains-the-secrets-of-memory-metals/10884.html
Polymorph
Property:
Trigger:
Applications:
repeatedly mouldable by hand
tool handles - perfect ergonomic shape
modelling
Material:
thermoplastic
heat - will soften in hot water
Property:
Trigger:
Applications:
changes colour
battery indicators
food packaging - threshold temperature indicators
baby feeding spoons
Material:
ink
heat
Thermochromic sheet / pigment
Property:
Trigger:
Applications:
changes colour
spectacles which darken
welding masks
Material:
pigment
light
Photochromic
Nanotechnology
Full transcript