Jožef Stefan Institute, Lj. (IJS)
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Thermoelectric properties of pseudobrookite-based ceramics prepared from natural Fe-Ti-rich heavy mineral sand concentrateDaneu, Nina ...Pseudobrookites (Fe2TiO5-FeTi2O5) are promising candidates for high-temperature oxide thermoelectrics. In this work, we used natural Fe-Ti-rich heavy mineral sand (HMS) as an abundant and ... environmentally friendly raw material for the preparation of pseudobrookite-based ceramics. The main components of the initial powder were ilmenite (FeTiO3) and pseudorutile (Fe2Ti3O9) with various degrees of alteration. Pre-oxidation of the as-received powder was used for modification of the Fe2+:Fe3+ ratio and exsolution of rutile. The starting powders were densified by conventional sintering (CS; 1200 °C, 5 h, pressureless) and spark plasma sintering (SPS; 1100 °C, 5 min, 150 MPs) in argon. The thermoelectric properties of the sintered compacts depend mainly on the Fe:Ti ratio, the Fe2+:Fe3+ ratio, and the fraction and distribution of rutile in the microstructures. The samples exhibit comparable properties as the pseudobrookite-based ceramics prepared from high-purity chemicals indicating that, with some further optimization, natural Fe-Ti-rich HMS are an interesting alternative for the preparation of pseudobrookite-based ceramics for thermoelectric applications.Source: Journal of the European ceramic society. - ISSN 0955-2219 (Vol. 43, iss. 16, Dec. 2023, str. 7500-7507)Type of material - article, component partPublish date - 2023Language - englishCOBISS.SI-ID - 160364803
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source: Journal of the European ceramic society. - ISSN 0955-2219 (Vol. 43, iss. 16, Dec. 2023, str. 7500-7507)
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Daneu, Nina | 19029 |
Radošević, Tina, 1994- | 53417 |
Bernik, Slavko | 06627 |
Hanžel, Darko | 05958 |
Mazaj, Matjaž | 25023 |
Maček, Marjeta, 1967- | 13311 |
Verhovšek, Dejan, 1981- | 29484 |
Kocjan, Andraž, 1980- | 26457 |
Vrabec, Mirijam | 22449 |
Spreitzer, Matjaž, 1979- | 24273 |
Guilmeau, Emmanuel | ![]() |
Source: Personal bibliographies
and: SICRIS
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