Absorbable-susceptor joining of ceramic surfaces

Details Absorbable-susceptor joining of ceramic surfaces Absorbable-susceptor joining of ceramic surfaces

1983-02-10

1983-12-13

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1563043, 1563046, 156 81, 156499, C03B 2900, C04B 3334, C04B 3700

Patent

active

044203527

ABSTRACT:
An assembly (28) of ceramic surfaces (21, 23), particularly refractory metal oxides and carbides, abutting a thin sheet (22) of metal susceptor material are placed in a chamber (10) of an enclosure (14) containing inert gas (36). An r.f. coil (24) is activated by power supply (26) to melt the susceptor (22) and adjacent zones (40, 42) of the ceramic. Reactive gas such as oxygen or a carbonizing gas (38) is then fed to the chamber (10) and reacts with the susceptor (22) to form compounds (47) which disperse and dissolve in the zones (40, 42). On cooling, a strong joint is formed. The susceptor may contain inner perforations (58) and outer perforations (56) to aid in distribution of heat.

REFERENCES:
patent: 4347089 (1982-08-01), Loehman

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