Attachment of dissimilar metals

Details Attachment of dissimilar metals Attachment of dissimilar metals

1988-10-14

1990-06-19

Rowan, Kurt

Metal fusion bonding

Process

With supplementary mechanical joining

228127, 228131, 228136, B23K 3102

Patent

active

049345796

ABSTRACT:
A method of joining titanium to a dissimilar metal wherein a predetermined amount of heat and pressure is applied sufficient to plastically deform only one of the metals being joined. The heat and pressure combine to flow one metal into shaped surfaces existing in the second metal, maintain the joint in compression through differrential thermal expansion and bonding the deformed metal to the other metal. The method uses a temperature sufficiently low to effect bonding without any chance for the formation of excessive brittle intermetallic phases.

REFERENCES:
patent: 2998646 (1961-09-01), Hitz
patent: 3530568 (1970-09-01), Owczarski
patent: 3766633 (1973-10-01), Lehrheuer
patent: 3950841 (1976-04-01), Conn
patent: 4605156 (1986-08-01), Stenger et al.

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