TiAl alloy, in particular for turbocharger applications, turbocharger component, turbocharger and method for producing the TiAl alloy

US10240608B2 · kind B2 · utility

Assignee

• BorgWarner Inc. · US

Inventors

• Gerald Schall · Frankenthal (Pfalz), DE
• Daniela CEMPIRKOVA · Bolanden, DE
• Steffen Bereswill · Niedermohr, DE
• Frank Scherrer · Bischofswerda, DE
• Menno Roder · Kirchheimbolanden, DE
• Juergen Strelbitski · Orbis, DE
• Michael Loewenberg · Bolanden, DE
• Adnan Adilovic · Darmstadt, DE
• Dominik Kuss · Tauberbischofsheim, DE
• Stefan Eisinger · Bornheim, DE
• Achim Klein · Kreuztal, DE

Key dates

• Filing date: Feb 3, 2015
• Grant date: Mar 26, 2019
• Expiry date: Aug 24, 2035

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/12
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A TiAl alloy comprising the elements C, Si, B, Al and Ti, wherein a C fraction is ≤0.5 wt %, an Si fraction is 0.05-2.5 wt %, a B fraction is ≤0.4 wt % and an Al fraction is 25-43 wt %, in each case in relation to the total weight of the alloy.