<?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">duralumin</topic></authority><related type="broader"><topic>aluminum alloy</topic></related><variant type="other"><topic>dural</topic></variant> <note xml:lang="en"><![CDATA[ An alloy consisting of 95.5 parts of aluminum to 3 parts of copper, 1 of manganese, and 0.5 of magnesium that after age-hardening is comparable in strength and hardness to soft steel. ]]></note></mads>