Degussa Aktiengesellschaft

Joerg Beuers

Dieter Kaufmann

Alexander Voelcker

Wolfgang Weise

Willi Malikowski

Harald Krappitz

Georg Ptaschek

Wolfgang Kaster

Sigurd Joensson

Cadmium-free brazing solders with working temperatures under 630.degree. C. containing 45 to 80 wt. % silver, 14 to 25 wt. % copper 10 to 25 wt. % gallium, 1 to 7 wt. % zinc and 0 to 5 wt. % indium and/or tin. The alloys have good cold workability and ductility.

Cadmium-free silver alloy brazing solder, method of using said solder,

Cadmium-free brazing solders which also have working temperatures under 630.degree. C. containing 45 to 80 wt. % silver, 5 to 25 wt. % copper, 10 to 25 wt. % gallium, and 0.1 to 5 wt. % indium and/or tin.

Use of silver alloys as cadium-free brazing solder

Cadmium-free brazing solders with working temperatures under 630.degree. C. containing 45 to 80 wt. % silver, 5 to 13 wt. % copper, 10 to 25 wt. % gallium, 8 to 20 wt. % zinc, and 0 to 5 wt. % indium and/or tin.

Use of a cadmium-free silver alloy as brazing solder (III)

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Gelnhausen, Germany

Joerg Beuers