Method and apparatus for the microwave joining of nonoxide ceram

Details Method and apparatus for the microwave joining of nonoxide ceram Method and apparatus for the microwave joining of nonoxide ceram

1987-09-24

1988-07-12

Macon, Robert S.

Electric heating

Metal heating

Of cylinders

219 1041, 219 1055R, 264 25, 156 89, H05B 664

Patent

active

047571721

ABSTRACT:
A method for joining together two nonoxide ceramic items involves a preliminary step of either creating a vacuum or overpressurizing a cavity, followed by the steps of applying microwave radiation to the ceramic items, simultaneously applying compressive forces to the ceramic items in order to force such ceramic items together, and continually monitoring the joint being formed between the two ceramic items. An apparatus of four basic elements carries out the method. These elements are a vacuum/overpressurization system; a single mode microwave applicator; a compressive force applicator; and a nondestructive evaluator for monitoring the formation of the joint.

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Scott et al, Diffusion Bonding of Ceramics, 1985, pp. 1129-1131, vol. 64, Am. Ceram. Soc. Bull.

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