Bonding method of dissimilar materials made from metals and...

Details Bonding method of dissimilar materials made from metals and... Bonding method of dissimilar materials made from metals and...

2008-03-17

2011-11-15

Ralis, Stephen (Department: 3742)

Electric heating

Metal heating

For bonding with pressure

C219S086100, C219S091200, C219S117100

Reexamination Certificate

active

08058584

ABSTRACT:
Disclosed is a bonding method for dissimilar materials made from metals and its resulting structures. The materials to be bonded are formed by layering three or more sheets such that a dissimilar material interface and a same material interface are formed. A first current is conducted between a three-sheet layered plate material wherein an aluminum alloy plate, a zinc plated steel plate and a bare steel plate, for example, are layered in order. A nugget is formed in an interface between the zinc plated steel plate and the bare steel plate, which are the same materials. Then, a second current greater than the first current is conducted, and a nugget is formed in an interface between the aluminum alloy plate and the zinc plated steel plate.

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