Patent · US Active

Process for brazing of aluminum alloys and a flux

US10562122B2 · kind B2 · utility

1Cited by

1References

8Claims

0Family size

Assignee

SOLVAY SA · BE

Inventors

Ulrich Seseke-Koyro · Vellmar, DE
Andreas Becker · Celle, DE

Key dates

Filing date	Apr 15, 2015
Grant date	Feb 18, 2020
Priority date	—
Expiry date	Mar 11, 2036

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB23K2103/10
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A process for brazing of aluminium magnesium alloys is described applying a flux which comprises KAlF4 or CsAlF4 or both as major constituent. The flux further comprises at least one alkaline or alkaline earth metal compound selected from the group consisting of KAlF4, CsAlF4, Li3AlF6, CaF2, CaCO3, MgF2, MgCO3, SrF2, SrCO3, BaF2, and BaCO3. Preferably the flux comprises or consists of KAlF4, CsAlF4, and Li3AlF6 and optionally contains also BaF2.

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