Fig. 2From: Preconditioning of the YSZ-NiO Fuel Cell Anode in Hydrogenous Atmospheres Containing Water VaporVariation of a fracture stresses (σf), b relative strength (σf/σf0) and c specific electrical conductivity (σ) for materials test modes 1–3 (see Table 1). White bars—A series; hatched bars—R series; cross-hatched bars—RO series. Numbers above the bars indicate the values of corresponding parametersBack to article page