New and Smart Materials Flashcards
Shape Memory Alloys (SMA)
Single Phase SMAs
These remember one shape or length
Dental braces
Dual Phase SMAs
These remember two shapes
Self closing windows
Nitinol
Thermochromic Pigment
changes color when subjected to changes in temperature
Paints
Thermochromic Pigment when mixed to molding/casting materials
Thermometers
Photochromic Pigment
reflects more light depending on changes in light intensity.
Welding goggles
or
motorbike visors
Phosphorescent Pigment
absorbs light energy during the day and re-emits the light energy when it is dark.
“Glow-in-the-dark” materials
Electroluminescent Wire and Sheet
combine fluorocarbons and phosphorus
Wire - Jewelry
Sheet - lamps
Piezoelectric Material
Piezoelectic materials turn physical forces into electrical signals or charges
lighters for barbecues
Modern Material
A material developed through the invention of new or improved processes
Smart Material
A material whose physical properties change in response to an input or change in environment
Kevlar
Aramid fibres with high cut and heat resistance
Body armour
Precious Metal Clay (PMC)
A clay like material made up of fine metal particles
Jewellery
High Density Modelling Foam
Polyurethane closed cell foam blocks or sheets.
modelling
Polymorph
A thermoplastic that becomes mouldable at 60 degrees
Modelling
Modern Materials examples
Kevlar
Precious Metal Clay (PMC)
High Density Modelling Foam
Polymorph
Smart Materials examples
Shape memory alloys
Thermochromic materials
Photochromic materials
Phosphorescent materials
Electroluminescent materials
Piezoelectric materials