Microstructural evolution in BaO-Y sub(2)O sub(3)-Co sub(3)O sub(4) mixtures during high-energy milling and its role in the formation of Y sub()xa sub(1-)xoO sub(3-) delta and YBaCo sub(4)O sub(7)

X-ray diffraction study of the microstructural evolution induced by high-energy ball milling and thermal treatment (TT) of the quaternary Y-Ba-Co-O system is described. Mixtures of BaO-Co sub(3)O sub(4)-Y sub(2)O sub(3) were milled for up to 39 h. No reaction was observed during the milling and the...

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Veröffentlicht in:	Journal of alloys and compounds 2010-03, Vol.492 (1-2), p.368-372
Hauptverfasser:	Juarez-Arellano, E A, Kakazey, M, Vlasova, M, Urquiza-Beltran, G, Aguilar-Franco, M, Bokimi, X, Martinez, E, Orozco, E
Format:	Artikel
Sprache:	eng
Schlagworte:	Ball milling BALL MILLS CRYSTAL STRUCTURE Diffraction Evolution MATHEMATICAL ANALYSIS Microstructure MICROSTRUCTURES MILLING PHASE TRANSFORMATIONS PHASES SUPERCONDUCTORS Transformations YTTRIUM OXIDE
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