<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">shape memory alloy</topic></authority><related type="broader"><topic>alloy</topic></related><variant type="other"><topic>alloy, shape memory</topic></variant><variant type="other"><topic>shape memory alloys</topic></variant><variant type="other"><topic>shape-memory alloy</topic></variant> <note xml:lang="en"><![CDATA[ Shape memory alloys are imprinted with a shape so that even after they are deformed, a threshold temperature will bring about a return to the original configuration. Copper-aluminium-nickel, and nickel-titanium are the two main types of shape memory alloy. ]]></note></mads>