Rare earth and aluminium containing galvanizing bath and method

Details Rare earth and aluminium containing galvanizing bath and method Rare earth and aluminium containing galvanizing bath and method

1989-09-05

1992-03-17

Dixon, Jr., William R.

Alloys or metallic compositions

Zinc base

Aluminum containing

420513, 420523, C22C 1804

Patent

active

050966669

ABSTRACT:
A galvanizing bath having a composition of about 5 ppm to about 100 ppm by weight aluminum, and rare earth elements by weight rated at zero and not exceeding about 5 ppm. In the method a galvanizing bath composition is maintained according to the foregoing in which aluminum and rare earth materials are added to the bath at a ratio greater than the ratio of the selected concentrations of rare earth materials and aluminum in the galvanizing bath.

REFERENCES:
patent: 3962501 (1976-06-01), Ohbu et al.
patent: 4439397 (1984-03-01), Dreulle
patent: 4448748 (1984-05-01), Radtke et al.
patent: 4789522 (1988-12-01), Smith et al.
patent: 4802932 (1989-02-01), Billiet
patent: 4812371 (1989-03-01), Shindou
patent: 4952368 (1970-08-01), Skenazi et al.

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