Method of making aluminum-base metal clad galvanized steel lamin

Details Method of making aluminum-base metal clad galvanized steel lamin Method of making aluminum-base metal clad galvanized steel lamin

1979-05-02

1981-03-24

Kendall, Ralph S.

Metal fusion bonding

Process

Specific mode of heating or applying pressure

228263D, 427406, 427433, 428650, 428659, B32B 1520

Patent

active

042575494

ABSTRACT:
An aluminum-base metal clad galvanized steel laminate is prepared by pressing a foil of aluminum-base metal against a steel sheet which has a molten zinc-rich metal coating adhered to both surfaces. The preformed aluminum-base metal foil is metallurgically bonded to the zinc-rich metal coating by a zinc-aluminum eutectic layer as the zinc-rich coating cools and solidifies. The resulting laminate has an outer aluminum-base metal surface, a zinc-aluminum eutectic layer, an intermediate zinc-rich metallic layer, a zinc-iron intermetallic layer, and a steel core.

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