Process for treatment of metal workpiece surface by electrical d

Details Process for treatment of metal workpiece surface by electrical d Process for treatment of metal workpiece surface by electrical d

1997-09-15

1999-11-09

Aftergut, Jeff H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156153, 1562722, 1562733, 156281, 29 9001, 219 7613, 219 7614, B32B 3100

Patent

active

059806818

ABSTRACT:
A process and an apparatus that can be used for surface preparation and treatment of a metal workpiece surface, for example in a processing stage prior to adhesive assembly, without using environmentally harmful materials. The process comprises triggering and maintaining pulsed unipolar arc discharges between an electrode wired as an anode and a workpiece surface wired as a cathode, with the arc discharges following one another with a timing, number, and speed such that they do not cause macroscopic melting of the workpiece surface while ensuring complete extinction of the individual arc discharges. The apparatus comprises an electrode as the anode and the workpiece as the cathode, and a generator or component for generating electrical pulses.

REFERENCES:
patent: 3832514 (1974-08-01), Antonov
patent: 4374694 (1983-02-01), Blenner et al.
patent: 4396450 (1983-08-01), Blenner et al.
patent: 4511419 (1985-04-01), Kuhlmann et al.
patent: 4551603 (1985-11-01), Rocklin
patent: 4931613 (1990-06-01), Salsgiver et al.
J.-L. Meunier and M.G. Drouet, "Experimental Study of the Effect of Gas Pressure on Arc Cathode Erosion and Redeposition in He, Ar, and SF from Vacuum to Atmospheric Pressure," IEEE Trans. Plasma Sci. vol. PS-15, (1987), pp. 515-519.
A.E. Guile and B. Juettner, "Basic Erosion Processes of Oxidized and Clean Metal Cathodes by Electric Arcs," IEEE Trans. Plasma Sci. vol. PS-8 (1980), pp. 259-269.
Larikov, L.N. et al., "The Formation of an Amorphous Layer on Fe.sub.86 B.sub.14 Alloy Under the Effect of a Spark Discharge," Metals Abstracts, vol. 16, Apr. 1983, p. 183, No. 56-0373; Metallofizika, 6 (1982) 4, 92-93.
L.P. Harris, "Arc Cathode Phenomena" in: J.M. Lafferty (Editor), "Vacuum Arcs, Theory and Application," Wiley, NY, 1980.
O. Hahn, B. Motzko, "Influence of the Process Parameters of SACO Surface Treatment on the Properties of Glued Stanless-Steel Connections," convention proceedings, Swissbonding 1994.

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