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:
Mar. 17, 2020
Filed:
Jul. 10, 2017
Applicant:
Mtu Aero Engines Ag, Munich, DE;
Inventors:
Wilfried Smarsly, Munich, DE;
Martin Schloffer, Munich, DE;
Helmut Clemens, Leoben, AT;
Thomas Klein, Leoben, AT;
Assignee:
MTU AERO ENGINES AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22F 1/18 (2006.01); C22C 30/00 (2006.01); C22C 14/00 (2006.01);
U.S. Cl.
CPC ...
C22F 1/183 (2013.01); C22C 14/00 (2013.01); C22C 30/00 (2013.01);
Abstract
Described is a TiAl alloy which, besides titanium, comprises 42 to 48 at. % aluminum, 3 to 5 at. % niobium, 0.05 to 1 at. % molybdenum, 0.2 to 2.2 at. % silicon, 0.2 to 0.4 at. % carbon, 0.05 to 0.2 at. % boron, and optionally tungsten, zirconium and hafnium, as well as unavoidable impurities, and at room temperature has a microstructure which comprises globular colonies of lamellae of α-TiAl and γ-TiAl, as well as silicide precipitates, and essentially no β phase. A method for producing a component made of this alloy is also described.