By doping auxiliary diffusion reaction sintering, and high temperature resistance bonding methods of alkaline-earth-substituted cobalt base body oxygen permeability oxide ceramics

摘要

A method for high temperature resistant bonding of oxygen permeable oxide ceramics of substituted alkaline earth cobaltates by doping assisted diffusive reaction sintering includes providing at least one joining surface of the oxygen permeable ceramics with a Cu-containing additives. At least a join area of the oxygen permeable ceramics is subsequently heated, under loading through forces, to a temperature up to 250 K below a customary sintering temperature of the oxygen-permeable ceramics. The join area is held under the loading at the temperature for 0.5 to 10 hours.