Author： Yankin A.M. Balakirev V.F.
Publisher： MAIK Nauka/Interperiodica
ISSN： 0020-1685
Source： Inorganic Materials, Vol.37, Iss.1, 2001-01, pp. : 58-64
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Abstract
The hydrogen reduction of spinel solid solutions in the Co–Mn–Ti–O system was investigated by a static method. Six phase regions were identified in which the gas phase is in equilibrium with various combinations of &bgr;-Co, TiO_2 (rutile), and solid solutions of variable composition: Co_AMn_BTi_3 – A – BO_4 (spinel), Co_mMn_2 – mTiO_4 (spinel), Co_NMn_1 – NTiO_3 (ilmenite), and Co_nMn_1 – nO (NaCl). The equilibrium compositions of the solid solutions and the corresponding oxygen partial pressures were determined, and the general trends of the reduction of spinel solid solutions in the Co–Mn–Ti–O system were established.
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