Oxidation protective coating for refractory metals
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United States of America Patent
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Apr 10, 2001
Grant Date -
N/A
app pub date -
Oct 26, 1998
filing date -
Nov 22, 1996
priority date (Note) -
Expired
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Abstract
The invention relates to a parent substance consisting of a high-melting point metal and an oxidation protective coating made of silicides or aluminides. In accordance with the invention, a reaction barrier layer is placed between the parent substance and the oxidation protective coating, and the oxidation protective coating is alloyed with one or more metals selected from group consisting of molybdenum, niobium, tantalum, and hafnium in a total proportion of 2 to 35 at. %.
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