Patent ID: 7565996

Claim:
A system for bonding substrates via transient liquid phase bonding, comprising: two outer bonding layers; and a middle bonding layer disposed between the two outer bonding layers; wherein the composition of the middle bonding layer is substantially similar to a composition of at least one substrate being bonded, and wherein each outer bonding layer comprises a sheet of nickel-based brazing foil having a nominal composition 79.3 wt. % nickel, 15.3 wt. % chromium, 1.5 wt. % iron, 0.1 wt. % cobalt, 0.1 wt. % titanium, 0.1 wt. % aluminum, 3.7 wt, % boron, 0.1 wt. % carbon, and wherein the middle bonding layer comprises a powder having the following nominal composition: 60 wt. % Ni, 12.4 wt. % Cr, 18.5 wt. % Co, 3.2 wt. % Mo, 5.0 wt. % Al, 4.3 wt. % Ti, 0.8 wt. % V, 0.1 wt. % Zr, 0.1 wt. % C, and 0.02 wt % B.