Cu—Al—Ni—Fe alloy and sensor for measuring a physical parameter comprising a component made of such an alloy
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United States of America Patent
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May 17, 2016
Grant Date -
Aug 14, 2008
app pub date -
Dec 28, 2007
filing date -
Dec 23, 2002
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Abstract
The invention relates to an alloy permitting to replace the current CuBe alloy, soon to be prohibited by the various environmental directives because of the presence of Be and for which there is currently no substitution alloy with similar desired thermal and mechanical properties for measuring physical parameters, notably in aeronautics. This alloy is a Cu—Al—Ni—Fe alloy and the balance is copper. It contains from 3.8 to 4.4 wt % aluminum, from 4.2 to 5 wt % nickel, from 1.7 to 5 wt % iron, additives including silicon, manganese, chromium and titanium, silicon being present at less than 0.8 wt %, manganese being present at less than 0.15 wt %, chromium being present at less than 0.3 wt %, titanium being present at less than 0.1 wt %, the other chemical elements having contents by weight of less than 1%, each being present at less than 0.05 wt % and the balance is copper.
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