Seamless, ring-shaped brazing material and method for producing

Details Seamless, ring-shaped brazing material and method for producing Seamless, ring-shaped brazing material and method for producing

1999-04-16

2000-12-26

Ryan, Patrick

Metal fusion bonding

Solder form

228223, 22826261, 22826251, 228 151, B23K 120, B23K 3706

Patent

active

061645176

ABSTRACT:
The seamless, ring-shaped brazing material comprises a brazing metal and a flux uniformly dispersed in the brazing metal for brazing nonferrous metal members and has a relative density of 0.90 or more. The seamless, ring-shaped brazing material is produced by (a) mixing brazing metal powder and flux powder uniformly; (b) pressing the resultant mixture to a powder compact billet; (c) forming the billet into a pipe by hot extrusion; and (d) slicing the pipe into rings.

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patent: 5697045 (1997-12-01), Osame et al.
patent: 5778714 (1998-07-01), Katsumura et al.

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