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SMART MATERLIALS - Coggle Diagram
SMART MATERLIALS
self healing polymer
Self-healing is the capability of a material to recover from physical damage. Both physical and chemical approaches have been used to construct self-healing polymers.
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Photochromic pigments
work in a similar way but 'photo' refers to light - so these pigments change their properties when exposed to ultraviolet (UV) light. A well-known example would be glasses where the lenses are clear when worn inside a building, but become more like sunglasses when exposed to bright sunlight outside. The same technology has been used in windows to prevent rooms from getting too hot in warm weather.
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Ferrofluids
can be formed by a magnetic field and are being used in hydraulic suspension pistons, with the strength of the magnetic field allowing the suspension to be hard or soft depending on what is necessary. They also have friction reducing properties allowing magnetic objects to glide across the surface.
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Polymorph
is a polymer that becomes malleable when heated to about 62°C. When it cools down it becomes hard enough to drill and cut. This makes it perfect for modelling as it can be reheated and formed again. It is also excellent for creating ergonomic handles.
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shape memorially
a property exhibited by certain alloys of recovering their initial shape when they are heated after having been plastically deformed
