Patent · US Active

Creep-resistant TiA1 alloy

US9994934B2 · kind B2 · utility

1Cited by

2References

15Claims

0Family size

Assignee

MTU Aero Engines AG · DE

Inventors

Wilfried Smarsly · Grasbrunn, DE
Helmut Clemens · Leoben, AT
Emanuel Schwaighofer · Leoben, AT

Key dates

Filing date	Sep 9, 2014
Grant date	Jun 12, 2018
Priority date	—
Expiry date	Nov 27, 2036

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF05D2300/133
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

Disclosed is a TiAl alloy for high-temperature applications which comprises not more than 43 at. % of Al, from 3 at. % to 8 at. % of Nb, from 0.2 at. % to 3 at. % of Mo and/or Mn, from 0.05 at. % to 0.5 at. % of B, from 0.1 at. % to 0.5 at. % of C, from 0.1 at. % to 0.5 at. % of Si and Ti as balance. Also disclosed is a process for producing a component made of this TiAl alloy and the use of corresponding TiAl alloys in components of flow machines at operating temperatures up to 850° C.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.