1965-02-01

A Rapid Method for Diffusion Bonding Aerospace Structures 650780

A method is described for the rapid solid state diffusion bonding of sheet metal structures fabricated from refractory metals or dispersion hardened metals such as TD nickel. This process avoids problems associated with welding or high-temperature brazing where overheating or fusion degrade or destroy mechanical properties of the base metals. Lap joints and T joints are made by this process in about 10 sec through the application of pressure and heat while the work piece is contained in a protective atmosphere. Joints thus produced are bonded over the entire faying surface and can be effectively coated for oxidation protection.

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