Al-rich high-temperature TiAl alloy
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United States of America Patent
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Nov 5, 2019
Grant Date -
Jan 14, 2016
app pub date -
Jul 13, 2015
filing date -
Jul 14, 2014
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Abstract
The present invention relates to a TiAl alloy for use at high temperatures which has aluminum and titanium as main constituents. The TiAl alloy has an aluminum content of greater than or equal to 50 at. % and a matrix of γ-TiAl and at least one phase of Al and Ti incorporated in the γ-TiAl matrix which is different from γ-TiAl, as well as depositions of oxides and/or carbides and/or silicides. In addition, the invention relates to a method for producing the alloy and to the use of the alloy for components of turbo-machines, in particular aircraft engines.
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