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Nitinol

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.

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Nitinol

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  1. Nitinol Rene Valdez Jr. MEEN 3344

  2. 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.

  3. 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

  4. It’s Uses • Piping • Dental Braces • Hydraulic Line Couplings (For Airplanes) • Eyeglass Frames

  5. Weaknesses • Energy Inefficiency • Slow Response Times • Yield Strength Low Compared to Steel • Expensive to Manufacture and Machine

  6. Bibliography • http://www.ruhr-uni-bochum.de/sfb459/english/ • http://www.stanford.edu/~richlin1/sma/sma.html • http://www.nitinol.com/4applications.htm

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