Component with a platinum-aluminum substrate area, platinum-aluminum coating and production method

US7494719B2 · kind B2 · utility

Assignee

• MTU Aero Engines AG · DE

Inventors

• Ernst Affeldt · Puchheim, DE
• Anja Kliewe · Fürstenfeldbruck, DE
• Lothar Peichl · Dachau, DE
• Heinrich Walter · Friedberg, DE

Key dates

• Filing date: Jan 20, 2004
• Grant date: Feb 24, 2009
• Expiry date: Jan 20, 2024

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/12875
• WIPO field: Engines, pumps, turbines
• WIPO sector: Mechanical engineering

Abstract

A component having a platinum-aluminum substrate surface region which is formed in the area of the substrate surface of the component by diffusion of platinum and aluminum into the substrate surface and which contains platinum and aluminum as well as the constituents of the substrate composition. The integrated aluminum content and/or the integrated platinum content in the substrate area is less than 18 wt %.