Corrosion resistant Mg based alloy containing Al, Si, Mn and RE metals
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United States of America Patent
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Sep 21, 2004
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N/A
app pub date -
May 20, 2002
filing date -
Jul 2, 1999
priority date (Note) -
Expired
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Abstract
Magnesium alloy with improved corrosion resistance comprising magnesium, 1.5-5 weight % Al, 0.6-1.4 weight % Si, 0.01-0.6 weight % Mn and 0.01-0.4 weight % RE. Method of improving the corrosion resistance of magnesium, aluminium, silicon alloys where Mn is added in order to reduce FE impurities, by keeping both Mn and Fe at a low level by adding small amounts of RE.
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