Phase equilibria in the Co-Mn-Ti-O system over wide ranges of temperatures and oxygen pressures
Creators
- 1. Inst. Metallurgii UrO RAN, Ekaterinburg (Russian Federation)
Description
On the basis of the conducted experimental investigations and on the basis of the published data one plotted phase diagrams of Co-Mn-O, Mn-Ti-O, Co-Ti-O oxide systems and Co-Mn-Ti-O four-component system formed by them in the coordinates composition - temperature in air. For the mentioned systems one plotted phase diagrams in the composition-oxygen pressure coordinated at different temperatures. The detected phase equilibria in every of the investigated systems were analyzed in terms of the unified p-T-x diagram. Within Mn-Ti-O system one recorded occurrence of solid solutions with structures of hausmannite, spinel and α-Mn2O3 under decreased pressure of oxygen - solid solutions based on TiO2, Ti3O5, Ti2O3 oxides and on MnTiO3 and Mn2TiO4 compounds
Abstract (Russian)
На основе собственных экспериментальных исследований и литературных данных построены диаграммы состояния оксидных систем Co-Mn-O, Mn-Ti-O, Co-Ti-O и образованной ими четырехкомпонентной системы Co-Mn-Ti-O в координатах состав-температура на воздухе. Для этих же систем построены диаграммы состояния в координатах состав-давление кислорода при различных температурах. Обнаруженные фазовые равновесия в каждой из изученных систем проанализированы в рамках единой p-T-x-диаграммы. В системе Mn-Ti-O на воздухе зафиксировано существование твердых растворов со структурами гаусманита, шпинели и α-Mn2O3, при пониженных давлениях кислорода - твердые растворы на основе оксидов TiO2, Ti3O5, Ti2O3 и соединений MnTiO3, Mn2TiO4Additional details
Additional titles
- Original title (Russian)
- Фазовые равновесия в системе Cо-Мн-Ти-О при различных температурах и давлениях кислорода
Publishing Information
- Journal Title
- Neorganicheskie Materialy
- Journal Volume
- 38
- Journal Issue
- 4
- Journal Page Range
- p. 391-402
- ISSN
- 0002-337X
- CODEN
- NEOMB8
INIS
- Country of Publication
- Russian Federation
- Country of Input or Organization
- Russian Federation
- INIS RN
- 34046885
- Subject category
- S36: MATERIALS SCIENCE;
- Descriptors DEI
- COBALT OXIDES; MANGANESE OXIDES; PHASE DIAGRAMS; PHASE STUDIES; PRESSURE DEPENDENCE; SOLID SOLUTIONS; TEMPERATURE RANGE 1000-4000 K; TITANIUM OXIDES
- Descriptors DEC
- CHALCOGENIDES; COBALT COMPOUNDS; DIAGRAMS; DISPERSIONS; HOMOGENEOUS MIXTURES; INFORMATION; MANGANESE COMPOUNDS; MIXTURES; OXIDES; OXYGEN COMPOUNDS; SOLUTIONS; TEMPERATURE RANGE; TITANIUM COMPOUNDS; TRANSITION ELEMENT COMPOUNDS
Optional Information
- Notes
- 51 refs., 16 figs.