Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 4, 2008
Patent Application Number
10516095
Date Filed
May 21, 2003
Patent Primary Examiner
Patent abstract
MCrAl layers according to prior art often display chipping of the thermally grown aluminum oxide layer (TGO) as a result of thermally induced stresses, which significantly reduces the oxidation behavior or the bonding behavior of ceramic heat insulating layers. An inventive MCrAl layer is designed in such a way that the TGO created thereon is microporous and thus allows expansion. The microporosity of the TGO is ensured by adding elements into the MCrAl layer in a targeted manner.
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