Synthesis of nanostructured ThO2 pellets

We present here for the first time the production of 3‐ to 5‐nm–sized thoria nanopowders by decomposition of Th‐hydroxide under hot compressed water and their consolidation by high‐pressure spark plasma sintering into dense nanostructured ThO2 with grain size of 50 nm.

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Bibliographische Detailangaben
Veröffentlicht in:	Journal of the American Ceramic Society 2019-07, Vol.102 (7), p.3814-3818
Hauptverfasser:	De Bona, Emanuele, Walter, Olaf, Störmer, Heike, Wiss, Thierry, Baldinozzi, Gianguido, Cologna, Marco, Popa, Karin
Format:	Artikel
Sprache:	eng
Schlagworte:	decomposition of hydroxides under hot compressed water Grain size high burn‐up structure (HBS) Nanostructure nanostructured ceramics Plasma sintering Spark plasma sintering Thorium dioxide thorium oxide Thorium oxides
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Beschreibung
Zusammenfassung:	We present here for the first time the production of 3‐ to 5‐nm–sized thoria nanopowders by decomposition of Th‐hydroxide under hot compressed water and their consolidation by high‐pressure spark plasma sintering into dense nanostructured ThO2 with grain size of 50 nm.
ISSN:	0002-7820 1551-2916
DOI:	10.1111/jace.16375