TITANIUM ALUMINIDE ALLOYS
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United States of America Patent
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app pub date -
Jul 30, 2009
filing date -
Dec 13, 2007
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Abstract
Alloys based on titanium aluminides, such as γ (TiAl) which may be made through the use of casting or powder metallurgical processes and heat treatments. The alloys contain titanium, 38 to 46 atom % aluminum, and 5 to 10 atom % niobium, and they contain composite lamella structures with B19 phase and β phase there in a volume ratio of the B19 phase to β phase 0.05:1 and 20:1.
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