Process for brazing die-cast aluminum material

Details Process for brazing die-cast aluminum material Process for brazing die-cast aluminum material

1997-11-26

1999-08-10

Heinrich, Samuel M.

Metal fusion bonding

Process

Critical work component, temperature, or pressure

228232, B23K 3102

Patent

active

059345462

ABSTRACT:
A process for brazing a die-cast aluminum material, wherein a die-cast aluminum material produced at a gate speed of 20 m/s or higher is used to be brazed at a brazing temperature of 500.degree. C. or lower. Further, it is preferred that the die-cast aluminum material is produced under a casting pressure of 600 kgf/cm.sup.2 or lower, or that the die-cast aluminum material is produced while depressurizing a mold. Brazing may as well be conducted using a brazing filler metal material composed of 6 to 24 wt. % of Al and the balance consisting of Zn and impurities. In the foregoing manner, the die-cast aluminum material can be brazed by heating it to a high temperature.

REFERENCES:
patent: 4119262 (1978-10-01), Yen
patent: 4901908 (1990-02-01), Negura et al.
patent: 5549927 (1996-08-01), Cottone et al.

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