Nickel/iron-based braze and process for brazing

US8894780B2 · kind B2 · utility

Assignee

• Vacuumschmelze GmbH & Co. KG · DE

Inventors

• Dieter Nuetzel · Großkrotzenburg, DE
• Thomas Hartmann · Friedland, DE

Key dates

• Filing date: Sep 13, 2007
• Grant date: Nov 25, 2014
• Expiry date: Dec 27, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/12951
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Disclosed are a braze, such as a braze in the form of an amorphous, ductile brazing foil, having a composition consisting essentially of FeaNirestSibBcMd with 5 atomic percent≦a≦35 atomic percent, 1 atomic percent≦b≦15 atomic percent, 5 atomic percent<c≦15 atomic percent, 0≦d≦4 atomic percent, rest Ni and incidental impurities, wherein M is one or more of the elements Co, Cr, Mn, Nb, Mo, Ta, Cu, Ag, Pd or C, and having a liquidus temperature TL≦1025° C. Also disclosed are apparatus containing parts joined by said braze, methods for using said braze, and methods for making said amorphous, ductile brazing foil.