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Co-sintering behaviour of zirconia-ferritic steel composites

: Slawik, Tim; Günther, Anne; Moritz, Tassilo; Michaelis, Alexander

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AIMS Materials Science 3 (2016), No.3, pp.1160-1176
ISSN: 2372-0484
ISSN: 2372-0468
Journal Article, Electronic Publication
Fraunhofer IKTS ()
metal-ceramic composite; co-sintering; combination porous-dense; tensile bond strength

The combination of metallic and ceramic materials allows the combination of positive properties of both and can be applied in various industrial fields. At the moment, the deployment of these composites faces difficult and complex manufacturing. One attempt, which offers a short process route and a high degree of flexibility regarding design is a combined shaping (co-shaping) with a combined sintering (co-sintering). The article will show co-sintering results of different metalceramic symmetric and asymmetric multi-layered tapes, consisting of yttria stabilized zirconia combined with a ferritic iron chromium steel. Focus is on the densification and co-sintering behaviour of ceramic layers depending on the sintering behaviour of metallic layers. Co-sintered composites were characterized by field emission scanning electron microscopy, x-ray diffraction measurements and in terms of adhesive tensile strength.