smart materials Flashcards
(29 cards)
what is a smart material
material that responds / reacts to a physical change
what is an example of a physical change a metal can do
chang in color
change in shape
changing properties
what do thermochromic materials do
change color reversible in response to change in temperature
what is thermochromic materials used in
safety
bath toys
thermometer
what is phosphorescent materials used for
guide people out of buildings of power is out
watches
what do phosphorescent materials do
glow in the dark after being charged up
what do phosphorescent materials do
change colour in response to pressure
- can be reversed
what is phosphorescent materials used for
security seting
safety application
what is a shape memory alloy
polymers that can be reformed and deformed - return to their original shape when they detect change in temp / stess
what is shape memory polymers used for
cables
foldable furniture
what do photochromic materials do
change color reversible in response to light
what is photochromic materials used for
transition lenses
ski goggles
cycle glasses
swimming goggles
what is electrochromic materials used for
change color in response to a change in voltage
what is electrochromic materials used for
phones
airlines
offices
what does a shape memory alloy do
remembers the shape it was set
what is a common shape memory allot
titanium
what temperature does the shape memory alloy have to be to fix its shape
540c
what temp does the shape memory alloy have to be to reform back to its shape
740c
What is thermochromic materials
Change colour based on temp
What is photochromic materials
Change colour based on light
What is phosphorescent materials
Glow in the dark
What is electrochromic materials
Change colour based on electricity
What is piezochromic materials
Change colour based on pressure
What is shape memory alloy
Metal that remembers the shape it was set
