Ceramic interconnects mechanical properties

Sammes NM, Ratnaraj R, and Fee MG. The effect of sintering on the mechanical properties of SOFC ceramic interconnect materials. J. Mater. Sci. 1994 29 4319-4324. 

As already mentioned in the previous section that the traditional LaCr03-based interconnect has difficulties such as machining, failure due to mechanical properties during cell operation, availability of matching sealants and the cost of chromium. Because of these limitations of ceramic interconnects, metal-based interconnects have been introduced in the anode supported thin film electrolyte structure which operates in the temperature range 700-800°C. The necessity to operate the ceramic fuel cell much below 1000°C (preferably below 750°C) has pushed the researchers to search for suitable metals or alloys. The metals have a number of advantages over ceramic interconnects. 

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