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May 27, 2017

Nitinol – an alloy that remembers its shape

Posted by in category: chemistry

When I saw this for the first time, I couldn’t believe my eyes. Well, I still kind of don’t…

Nitinol is a metal alloy of nickel and titanium, where the two elements are present in roughly equal atomic percentages.

Shape memory is the ability of nitinol to undergo deformation at one temperature, then recover its original, undeformed shape upon heating above its “transformation temperature”.

For great chemistry experiments to do by yourself go here:

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