Aluminum alloy material having a surface of excellent zinc phosp

Details Aluminum alloy material having a surface of excellent zinc phosp Aluminum alloy material having a surface of excellent zinc phosp

1993-05-17

1995-02-14

Lewis, Michael

Stock material or miscellaneous articles

All metal or with adjacent metals

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

428650, 428658, 428614, 205213, 427406, 427436, 427427, 427437, B32B 1520

Patent

active

053894537

ABSTRACT:
An aluminum alloy material having a surface suitable for zinc phosphate processing prepared by a process comprising the steps of (1) cleaning the aluminum alloy surface, and (2) forming a composite film layer comprising Zn metal, Ni or Mn metal, and silicon oxide on the surface of the aluminum alloy.

REFERENCES:
patent: 2580773 (1952-01-01), Heiman
patent: 4346128 (1982-08-01), Loch
patent: 4499123 (1985-02-01), Suzuki et al.
patent: 4670312 (1987-06-01), Ehrsam
patent: 4888218 (1989-12-01), Suzuki et al.
patent: 4910095 (1992-03-01), Izaki

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