Bonding of refractory hard metal

Details Bonding of refractory hard metal Bonding of refractory hard metal

1977-10-27

1978-06-06

Mack, John H.

Chemistry: electrical and wave energy

Processes and products

204 67, 204243R, 204290R, 219118, 428469, C25B 100, C25C 306, C25C 308, C25C 702

Patent

active

040935248

ABSTRACT:
The invention is directed to a method of bonding refractory hard metal materials such as TiB.sub.2 wherein aluminum carbide is formed in situ at the interface between the refractory hard metal and a substrate. The bond formation is greatly accelerated by passing an electrical current across the interface.

REFERENCES:
patent: 3400061 (1968-09-01), Lewis et al.
patent: 3607685 (1971-09-01), Johnson
patent: 3661736 (1972-05-01), Holliday
patent: 3666654 (1972-05-01), Garab

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