2012
DOI: 10.1016/j.jnucmat.2012.01.001
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High temperature chromium volatilization from Cr2O3 powder and Cr2O3-doped UO2 pellets in reducing atmospheres

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Cited by 44 publications
(23 citation statements)
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“…This composition with Cr in a trivalent state was selected because of its stability against reduction; no binary intermediate phase exists between Cr and Cr 2 O 3 . [14] The best quality was achieved when the stoichiometric mixture of SrH 2 , SrO, and Cr 2 O 3 was heated at 5 GPa and 1000 8C, yielding a cubic phase with a % 3.83441 (2) . Lower pressures and temperatures resulted in low-purity samples containing residual precursors.…”
mentioning
confidence: 99%
“…This composition with Cr in a trivalent state was selected because of its stability against reduction; no binary intermediate phase exists between Cr and Cr 2 O 3 . [14] The best quality was achieved when the stoichiometric mixture of SrH 2 , SrO, and Cr 2 O 3 was heated at 5 GPa and 1000 8C, yielding a cubic phase with a % 3.83441 (2) . Lower pressures and temperatures resulted in low-purity samples containing residual precursors.…”
mentioning
confidence: 99%
“…Ao final da decomposição, o produto que resta é um cloreto (KCl). Os resultados aqui obtidos sugerem que este não contribui para a constrição do arco, de modo similar ao atribuído para fluoretos (ver, por exemplo, com Leconte e colaboradores [26] Medidas por termogravimetria durante a sinterização de pó de Cr 2 O 3 indicam perda de massa a partir de 1470ºC pela dissociação deste óxido e a formação de CrO no estado líquido [27]. Estas temperaturas permitem que a liberação de oxigênio ocorra junta da poça de fusão e, assim, possa influenciar o movimento do metal líquido nesta.…”
Section: Resultsunclassified
“…Adanya cacat kisi dapat meningkatkan mobilitas ion-ion yang berdifusi sehingga menyebabkan koefisien difusi ion dengan dopan menjadi lebih tinggi dibandingkan tanpa dopan [11] . [12] .…”
Section: Hasil Dan Pembahasan a Mikrostrukturunclassified