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Nitinol Rene Valdez Jr. MEEN 3344 Origin Nitinol is an acronym for Nickel Titanium Naval Ordnance Laboratories It was developed by William Buehler and Frederick Wang A shape memory alloy is an alloy that “remembers” its shape. Nickel-Titanium alloys were first developed in 1962 and 1963. How It Works One Way When cold, the material will deform and stay in the deformed shape Upon heating, it will return to its original shape Two-Way Material remembers two shapes, one for low temperature and one for high It’s Uses Piping Dental Braces Hydraulic Line Couplings (For Airplanes) Eyeglass Frames Weaknesses Energy Inefficiency Slow Response Times Yield Strength Low Compared to Steel Expensive to Manufacture and Machine Bibliography http://www.ruhr-uni- bochum.de/sfb459/english/ http://www.stanford.edu/~richlin1/sma/s ma.html http://www.nitinol.com/4applications.htm
"Shape Memory Alloys"