Corrosion resistant Al or Al alloy materials

Details Corrosion resistant Al or Al alloy materials Corrosion resistant Al or Al alloy materials

1993-04-22

1994-07-19

Zimmerman, John

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

428632, 428635, 428650, 428651, 428469, 428471, 428472, 428925, 428926, B32B 1520, B32B 1504

Patent

active

053308514

ABSTRACT:
A corrosion resistant Al or Al alloy material on the surface of which multi-layer deposits for improved corrosion resistance. The deposits are obtained by laminating more than five layers of unit periodic layers with a thickness of 100 .ANG. or less in which two, or three or more layers of unit deposits, comprised of specific elements, are laminated. Such multi-layer structure can prevent water, chloride and other corrosion accelerating substances from passing through the deposits and reaching the surface of the base material, thus effectively preventing the corrosion of Al or Al alloy.

REFERENCES:
patent: 3567509 (1965-07-01), Kuiper
patent: 4561009 (1985-12-01), Yonezawa et al.
patent: 4643951 (1987-02-01), Keem et al.
patent: 4783379 (1988-11-01), Wickersham et al.
patent: 4792832 (1988-12-01), Baba et al.
patent: 4835062 (1989-05-01), Holleck
patent: 4904542 (1990-02-01), Mroczkowski
patent: 4939316 (1990-07-01), Mahulikar et al.

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