Method of cold welding using ion beam technology

Details Method of cold welding using ion beam technology Method of cold welding using ion beam technology

1978-07-28

1981-01-20

Ramsey, Kenneth J.

Metal fusion bonding

Process

Using only pressure

228205, 204192E, B23K 2014, B23K 2024

Patent

active

042457688

ABSTRACT:
A method for cold welding metal joints. In order to remove the contamination layer on the surface of the metal, an ion beam generator is used in a vacuum environment. A gas, such as xenon or argon, is ionized and accelerated toward the metal surface. The beam of gas effectively sputters away the surface oxides and contamination layer so that clean underlying metal is exposed in the area to be welded. The use of this method allows cold welding with minimal deformation. Both similar and dissimilar metals can be cold welded with this method.

REFERENCES:
patent: 3500532 (1970-03-01), Lozano
patent: 4101772 (1978-07-01), Konishi 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.
Hudson et al., NASA Technical Memo X-3517, May 1977.
Chopra, K. L., Thin Film Phenomena, McGraw-Hill, 1969.
Journal of Applied Physics, vol. 38, No. 4, pp. 1896-1904, Mar. 15, 1967.
Journal of Vacuum Science and Technology, The vol. 4, No. 3, pp. 115-122, 1967.

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