Еволюція фазового складу при термічній обробці сумісно осаджених гідроксидів цирконію, ітрію та європію
The results of phase composition change in co-precipitated hydroxides of zirconium, yttrium and europium in heat treatment are presented. The scheme of phase evolution is provided from complex amorphous hydroxide to amorphous oxide with the subsequent crystallisation of the only and nanosized phase...
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| Datum: | 2009 |
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| Hauptverfasser: | , , , , , |
| Format: | Artikel |
| Sprache: | Ukrainian |
| Veröffentlicht: |
State Scientific and Technical Center for Nuclear and Radiation Safety
2009
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| Online Zugang: | https://nuclear-journal.com/index.php/journal/article/view/838 |
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| Назва журналу: | Nuclear and Radiation Safety |
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Nuclear and Radiation Safety| Zusammenfassung: | The results of phase composition change in co-precipitated hydroxides of zirconium, yttrium and europium in heat treatment are presented. The scheme of phase evolution is provided from complex amorphous hydroxide to amorphous oxide with the subsequent crystallisation of the only and nanosized phase of cubic zirconium. All the europium oxide constituted amorphous zirconium at 400 °С. It creates objective prerequisites for including americium oxides into a matrix of zirconium oxide at the temperature 300 °С lower than in traditionally known formation of a cubic solid solution. |
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