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Porous Ni-YSZ cermets are prepared by reducing NiO-YSZ composites upon exposure to (Ar+6% H2) gas. The porous cermets are prepared by the addition of carbon black (0.123mol) to mixed NiO-YSZ powders and the conversion of NiO to Ni in the NiO-YSZ composites. The microstructure and bending strength of porous Ni-YSZ cermets as functions of sintering temperature and Nb2O5 content are discussed. The Ni-YSZ...
In this study, porous Cu–YSZ cermets with various Cu contents are fabricated and their crystal structure and morphological features are investigated by X-ray diffraction and scanning electron microscopy. Carbon black-containing CuO/Y 2 O 3 -stabilized ZrO 2 (YSZ) composites exhibit a highly porous structure due to the evolution of CO and CO 2 gasses during sintering...
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