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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Cymerman, Konrad
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Publications (6/6 displayed)
- 2024A comparative study of oxidation behavior of Co4Sb12 and Co4Sb10.8Se0.6Te0.6 skutterudite thermoelectric materials fabricated via fast SHS-PPS routecitations
- 2023Rapid fabrication of Se-modified skutterudites obtained via self-propagating high-temperature synthesis and pulse plasma sintering routecitations
- 2023Microstructure and Mechanical Characterization of Novel Al2O3–(NiAl–Al2O3) Composites Fabricated via Pulse Plasma Sinteringcitations
- 2021Characterization of Al2O3 Samples and NiAl–Al2O3 Composite Consolidated by Pulse Plasma Sinteringcitations
- 2020Effect of the sintering temperature on microstructure and properties of Al2O3–Cu–Ni hybrid composites obtained by PPScitations
- 2018Structure and mechanical properties of TiB 2 /TiC – Ni composites fabricated by pulse plasma sintering methodcitations
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article
A comparative study of oxidation behavior of Co4Sb12 and Co4Sb10.8Se0.6Te0.6 skutterudite thermoelectric materials fabricated via fast SHS-PPS route
Abstract
This study examines the oxidation behavior of skutterudite materials fabricated using a rapid self-propagatinghigh-temperature synthesis and pulse plasma sintering route. Pure Co4Sb12 and Co4Sb10.8Se0.6Te0.6 wereoxidized in the air at 773 K for up to 500 h. Skutterudites modified with Se and Te had a lower oxidationresistance than that of pure Co4Sb12 and also showed a lower decomposition temperature. This changed theoxidation mechanism, as manifested by the different roles of the Sb2O3 phase during oxide scale formation andthe CoSb2-like phase in the modified near-surface region. The unusual mass loss by the Co4Sb10.8Se0.6Te0.6 alloyduring the first 100 h of oxidation was also revealed. Despite the evident changes at the surface of the samples,no visible grain growth was noted in both skutterudites. The electrical properties of the samples were also stable.