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Gedik, A.; Hesse, J.; Kabelac, S.: A characteristic map as an approach for rapid estimating the thermal conductivity of high-temperature oxide ceramics demonstrated on 10Sc1CeSZ. In: Ceramics International 49 (2023), Nr. 23, S. 38015-38025. DOI: https://doi.org/10.1016/j.ceramint.2023.09.132
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Sum total of downloads: 5
| Abstract: | |
This work presents an easy applicable method for estimating thermal conductivity of oxide ceramic samples in a high-temperature SOFC/SOEC system. An experimental investigation establishes a thermal conductivity map for various oxide ceramics in the temperature range of 700 - 900 °C. Material specific properties are determined using laser flash analysis, displacement measurement for density and differential scanning calorimetry for heat capacity. The total thermal conductivity, incorporating conduction and radiation, is assumed based on a linear relationship with temperature gradient. Deviations in measurements are attributed to increasing radiation effects. The method provides a rough estimation of thermal conductivity, with 8YSZ exhibiting good agreement with literature values and 10Sc1CeSZ showing a range of 2.3 (+0.32/-0.48) - 2.8 (+0.96/-1) W/mK. | |
| License of this version: | CC BY-NC-ND 4.0 Unported |
| Document Type: | Article |
| Publishing status: | publishedVersion |
| Issue Date: | 2023 |
| Appears in Collections: | Fakultät für Maschinenbau |
distribution of downloads over the selected time period:
downloads by country:
| pos. | country | downloads | ||
|---|---|---|---|---|
| total | perc. | |||
| 1 |  |
Germany | 3 | 60.00% |
| 2 |  |
United States | 2 | 40.00% |
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