B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
117/158, 113/83,
B23K 35/24 (2006.01) B23K 35/00 (2006.01) B23K 35/32 (2006.01)
Patent
CA 1071037
ABSTRACT OF THE DISCLOSURE The diffusion brazing of members comprised of materials which are characterized by embrittlement as a result of exposure to excessive temperatures is accomplished with the aid of preforms consisting of a titanium-zirconium alloy foil coated with a plurality of eutectic depressant alloying agents. The depressant agents, in a preferred embodiment, are applied as layers and consist of beryllium and nickel. The preforms are sandwiched between surfaces to be joined and the resulting assemblies are heated in a non-reactive environment with light pressure loading whereby a liquid phase will result and diffusion of metal from the preform into the base metals will occur. -1-
243593
Delgrosso Eugene J.
Galasso Francis S.
Kuntz Urban E.
Na
United Technologies Corporation
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