smart materials Flashcards
how do SMA’s work
shape memory alloy
change shape in response to change in temp or electrical input
SMA products
dental braces, self closing windows, plane wing flaps
how does thermochromic pigment work
changes colour in response to temp change
thermochromic pigment products
thermometers, colour change mugs and kettles, battery charge indicator strips, baby feeding spoons
how does phosphorescent pigment work
absorbs light energy in the day and re emits energy when its dark
phosphorescent pigment products
fire exits signs, glow in the dark products
how does photochromic pigment work
changes colour with light intensity
photochromic pigment products
security markers that show up under UV light
welding goggles
how does electroluminescent wire work
copper wire coated with phosphorescent pigment glows in response to alternating current
electroluminescent wire products
glow bracelets, home decor, outdoor decorative lighting
how does piezoelectric material work
gives off small electrical charge when deformed
piezoelectric material products
airbag sensors in cars, lighters for bbq, musical greeting cards, pressure sensors
