Nickel base alloy for powder and method for producing a powder

US12152290B2 · kind B2 · utility

Assignee

• VDM Metals International GmbH · DE

Inventors

• Christina Schmidt · Siegen, DE
• Andreas Heckmann · Dortmund, DE

Key dates

• Filing date: Jul 1, 2020
• Grant date: Nov 26, 2024
• Expiry date: Sep 30, 2041

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P10/25
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

A powder has the contents (in wt. %): C max. 0.5%, S max. 0.15%, in particular max. 0.03%, N max. 0.25%, Cr 14-35%, in particular 17-28%, Ni radical (>38%), Mn max. 4%, Si max. 1.5%, Mo>0-22%, Ti<4%, in particular <3.25%, Nb up to 6.0%, Cu up to 3%, in particular up to 0.5%, Fe<50%, P max. 0.05%, in particular max. 0.04%, Al up to 3.15%, in particular up to 2.5%, Mg max. 0.015%, V max. 0.6%, Zr max. 0.12%, in particular max. 0.1%, W up to 4.5%, in particular up to max. 3%, Co up to 28%, B<0.125%, O>0.00001-0.1% and impurities due to production, wherein Ni+Fe+Co represents 56-80% Nb+Ta<6.0%.