Composite material having improved bond strength

Details Composite material having improved bond strength Composite material having improved bond strength

1982-06-28

1984-01-31

Lewis, Michael L.

Stock material or miscellaneous articles

All metal or with adjacent metals

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

148 115Q, 148127, 22826318, 428940, B32B 1520

Patent

active

044290225

ABSTRACT:
A composite material having improved bond strength and a substantially smooth external surface comprises a deoxidized copper alloy core material and a copper-aluminum-silicon clad material. The composite is formed by rolling together the core and clad, preferably in an unheated condition, in a single pass with a reduction of about 50% to 75% to form a metallurgical bond between the core and clad and thereafter enhancing the bond strength by heating the bonded core and cladding to a temperature in the range of about 200.degree. C. to about 750.degree. C. for a time period of about 5 minutes to about 24 hours.

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