Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1489175 | Materials Research Bulletin | 2012 | 5 Pages |
La1.95Ca0.05Zr2O7-δ (LCZ) and Ni–LCZ cermet have been prepared by combustion synthesis and conventional solid state mixing methods respectively. Both the materials are sintered in air and controlled atmosphere (5% H2 in Ar). The density obtained for the material sintered at 1400 °C in controlled atmosphere is found to be more than 99.5%. This sintering temperature (1400 °C) is considered to be much lower compared to the conventional sintering temperature. The corresponding total conductivity for such Ni–LCZ cermet materials is ∼400 S/cm measured at 750 °C having 40 vol% of Ni and 60 vol% LCZ.
Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Phase pure La1.95Ca0.05Zr2O7-δ (LCZ) material is prepared by combustion synthesis. ► LCZ and Ni-LCZ bulk samples are prepared with theoretical density close to 100%. ► Bulk electrical conductivity ∼400 S/cm is obtained for Ni–LCZ cermet at 750 °C.