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Smart Materials

Information of new materials
by

Bonnie Lopez

on 23 April 2010

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Transcript of Smart Materials

Smart Materials An small but clear definition of smart materials is:
“Materiales that displays smart behaviour”
Smart behaviour occurs when a material can sense some stimulus from its environment and react to it in a useful, reliable, reproducible and usually reversible manner.
A really Smart material will use its reaction to the external stimulus to initiate or actuate an active response. Clasification of smart materials Piezoelectric: When subjected to an electric charge or a variation in voltage.
Electrostrictive: This material has the same properties
as piezoelectric material, but the mechanical change is proportional to the square of the electric field.
Magnetostrictive: When subjected to a magnetic field.
Shape Memory Alloys: When subjected to a thermal field, this material will undergo phase transformations which will produce shape changes.
Optical Fibres. Fibres that use intensity, phase frequency or polarization of modulation to measure strain, temperature, electrical/magnetic fields, pressure and other measurable quantities. Technological Creativity

Cynthia Leon
Bonnie López Smart Materials PuddleJumper Puddlejumper, is a raincoat covered in hand-silkscreened electroluminescent lamps and conductive water sensors. As drops hit the sensors, corresponding flush-mounted panels illuminate — flickering and creating an animated pattern of light — playfully mirroring the rhythm of the rain across the surface of the clothing. Smart Glass Smart glass or smart windows in its application to windows or skylights refers to electrically switchable glass or glazing which changes light transmission properties when voltage is applied.
Certain types of smart glass can allow users to control the amount of light and heat passing through, just with the press of a button, it changes from transparent to translucent, partially blocking light while maintaining a clear view of what lies behind the window. References http://www.journal.forces.gc.ca/vo1/no3/doc/25-32-eng.pdf
http://gizmodo.com/196926/gizmodo-gallery-elise-co
http://en.wikipedia.org/wiki/Smart_glass
http://www.interactivearchitecture.org/smart-materials-1-definition.html

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