Method for directly joining metal pieces to oxide-ceramic substr

Details Method for directly joining metal pieces to oxide-ceramic substr Method for directly joining metal pieces to oxide-ceramic substr

1983-02-04

1984-11-20

Parrish, John A.

Plastic and nonmetallic article shaping or treating: processes

Including step of generating heat by friction

264 61, 264 62, 264 65, C04B 3900

Patent

active

044838107

ABSTRACT:
Method for the direct joining of metal pieces which have a surface metal oxide layer, to oxide ceramic substrates by heating the ceramic substrates covered with the metal pieces in an oxygen-containing atmosphere to a temperature above the eutectic temperature of the metal and the metal oxide, but below the melting temperature of the metal. The heating is carried out in a continuous heating furnace in a nitrogen atmosphere with an addition of oxygen of 20 to 50 vpm. The cooling-down in the continuous heating furnace takes place after the solidification of the eutectic melt, in a nitrogen atmosphere which has an oxygen content well below the 20 vpm.

REFERENCES:
patent: 4340436 (1982-07-01), Dubetsky

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