Aluminium composite material having an internal solder layer

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United States of America Patent

PATENT NO 9718149
APP PUB NO 20160107268A1
SERIAL NO

14976538

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Abstract

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The invention relates to a brazable three-layered aluminum composite material having at least three layers with at least two different aluminum alloys, whereby an inner layer of the at least three layers is an aluminum brazing layer made from an aluminum brazing alloy, the other layers are configured as covering layers and include at least one further aluminum alloy, wherein the at least one further aluminum alloy has a higher solidus temperature than the liquidus temperature of the aluminum brazing alloy. The individual covering layers have a thickness which exceeds the thickness of the aluminum brazing layer by at least a factor of 1.5, preferably by a factor of 5. The brazable aluminum composite material is simply structured, has good brazing properties for the production of butt-joint brazing connections, significantly reduces the risk of a ‘burning through’ of brazed-on components and provides sufficient mechanical properties.

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Patent Owner(s)

Patent OwnerAddress
HYDRO ALUMINIUM ROLLED PRODUCTS GMBH41515 GREVENBROICH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Janssen, Hartmut Hilden, DE 15 90

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