Surface joining by bonding of metal and deposited metal

Details Surface joining by bonding of metal and deposited metal Surface joining by bonding of metal and deposited metal

1975-09-15

1977-03-15

Smith, Al Lawrence

Metal fusion bonding

Process

With pretreating other than heating or cooling of work part...

228205, 228221, 228263, B23K 1900

Patent

active

040119823

ABSTRACT:
A method is described for joining first and second surfaces by depositing a layer of metal on the first surface, preparing the second surface to expose fresh metal, placing the deposited metal and the exposed metal in contact, and applying sufficient pressure to join the surfaces, all done in a protective environment, such as vacuum. Also described is a related apparatus comprising an evacuable chamber, an electron-beam heated vapor source, and a pair of rollers for contacting and applying pressure to join the surfaces.

REFERENCES:
patent: 2539247 (1951-01-01), Hensel
patent: 3173202 (1965-03-01), Farber
patent: 3798746 (1974-03-01), Alphonse et al.
patent: 3845543 (1974-11-01), Roth et al.
patent: 3854984 (1974-12-01), Schadler et al.
Sherwood et al. "The Effect of Vacuum Machining on the Cold Welding of Metals" Journal of the Institute of Metals, vol. 97, pp. 1-5, 1969.

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