The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 23, 2017
Filed:
Oct. 30, 2015
Mtu Aero Engines Ag, Munich, DE;
Martin Schloffer, Munich, DE;
Nanxi Zheng, Fuerstenfeldbruck, DE;
MTU AERO ENGINES AG, Munich, DE;
Abstract
The present invention relates to a protective layer for TiAl materials for affording protection against oxidation, said protective layer having a layer sequence which, proceeding from the inner side facing toward the TiAl material (), has an inner aluminum oxide layer (), a first gradient layer () comprising aluminum and a base metal with a base metal content increasing outward toward the surface side, a base metal layer (), a second gradient layer () comprising aluminum and a base metal with an aluminum content increasing outward toward the surface side, and an outer aluminum oxide layer (), and also to a method for the production thereof.