Process for producing aluminum coated metallic material

Details Process for producing aluminum coated metallic material Process for producing aluminum coated metallic material

1992-06-01

1993-10-05

Ramsey, Kenneth J.

Metal fusion bonding

Process

With shaping

228156, B23K 3102

Patent

active

052497313

ABSTRACT:
A process for producing an aluminum coated metallic material comprises drawing an aluminum band having a significantly larger inside diameter than cross sectional diameter of the material concurrently with the material so as to form an open seam tube around the elongated metallic material. The seam of the open tube is welded so as to close the seam. An atmosphere or protective gas or reducing gas is maintained in an annular gap between the elongated metallic material and the aluminum tube. The diameter of the aluminum tube is drawn so as to reduce it by at least 20%. It is then drawn down a second time so as to coat the elongated metallic material. Finally, the cross section of the aluminum coated metallic material is reduced by at least 10%.

REFERENCES:
patent: Re28526 (1975-08-01), Ziemek
patent: 3449821 (1969-06-01), Vansteenkiste
patent: 3854193 (1974-12-01), Yamaguchi et al.
patent: 4759486 (1988-07-01), Malone et al.
patent: 5129572 (1992-07-01), Keilberth et al.

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