Brazing alloy of copper, silicon, titanium, aluminum

A brazing alloy for brazing ceramics having the following composition, in weight percent:

• 92.25 Cu, 3.25 Si, 2 Al, 2.5 Ti.

A brazing alloy for brazing ceramics having the following composition, in weight percent:

• 92 Cu, 2.75 Si, 3 Al, 2.25 Ti.

A brazing alloy for brazing ceramics having the following composition, in weight percent:

• 90.25 Cu, 2.25 Si, 5 Al, 2.5 Ti.

A brazing alloy for brazing ceramics having a composition consisting essentially of, in weight percent:

• 90.25-94.0 Cu, 1.25-3.5 Si, 1.0-6.0 Al, 1.5-2.5 Ti.

A brazed joint having a first material comprising a ceramic, a second material selected from the group consisting of metals and ceramics, and a brazing alloy disposed between the first material and the second material having a composition consisting essentially of, in weight percent:

• 90.25-94.0 Cu, 1.25-3.5 Si, 1.0-6.0 Al,
• 1.5-2.5 Ti.

A brazed joint having a first material comprising a ceramic, a second material selected from the group consisting of metals and ceramics, and a brazing material disposed between the first material and said second material, the brazing material comprising a powder admixture of 2.25% titanium hydride powder and 97.75% atomized powder having a composition consisting of, in weight percent:

• 94.12 Cu, 3.07 Al and 2.81 Si.