Method For Surface Treatment of Ti-Al Alloy and Ti-Al Alloy Obtained by The Method
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United States of America Patent
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Issued Date -
Sep 30, 2010
app pub date -
Oct 22, 2008
filing date -
Oct 24, 2007
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Abandoned
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Abstract
coating film having extremely low oxygen permeability. The alloy hence has excellent insusceptibility to high temperature oxidation. Thus, the poor insusceptibility to high temperature oxidation, which is a most serious disadvantage of the Ti—Al alloy which is lightweight and has high temperature strength, can be improved in a manner suitable for mass production. Therefore, the alloy can be used suitably for a supercharger turbine wheel, an engine valve, turbine blades for a gas turbine or the like, for example.
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