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Smart Materials (Nanomaterials (Structures of viruses, wax crystals and…
Smart Materials
Nanomaterials
Structures of viruses, wax crystals and spiders
Includes magnetic, optical performance, conductivity and absorbency
Resulted in harder and tougher tools, water repellent and antibacterial coatings
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'Chromic' pigments
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Photochromic Materials
Change colour or darken, depending on light exposure
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Electrochromic materials
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Used in aircraft, car and office glass for comfort and security
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Polymorph
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Above 62 degrees it forms a pliable, clear solid mass
It is used for handles and grips, and prototyping complex shapes
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Piezoelectric Materials
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When an electric current is applied, the change size up to 4% in volume
Electro luminescent wire
Thin copper wire is coated in phosphor, glows with an AC current
Used in emergency lighting, Christmas lights, etc.
Definition
Smart materials are reactive materials, whose properties can be altered by exposure to stimuli, such as electric and magnetic fields, stress, moisture and temperature. They react to environmental conditions.