Smart Materials Flashcards
What is a smart material
A material that has changes in physical properties due to an external input or change in environment, like electricity, pressure, temperature or light
What is SMA / nitinol
It changes in shape in contact with an electric current or temperature - dental braces, self closing windows
What is thermochromic pigment
Changes in colour due to temperature change - thermometers, colour changing mugs and kettles
What is phosphorescent pigment
Absorbs light and remits it when it becomes dark - exit signs
What is photochromic pigment
Changes colour in reaction to light intensity - reactive lenses, welding gogles
What is electroluminescent wire
Glow bracelets, neon lights - wire that glows