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Meeting 2026 TMS Annual Meeting & Exhibition
Symposium Advances in Ceramic Materials and Processing
Presentation Title Effect of Precursor Milling Time on the Final Microstructure of Y3+-Doped BaTiO3 Synthesized via Solid-State Reaction
Author(s) E. D. German-Magaldi, M. Perez-Labra, A. Hernández-Ramírez, I. Mendoza-Sánchez, J. A. Romero-Serrano, F. R. Barrientos-Hernández, M. Reyes-Pérez, E. R. Ramírez-Martínez, M. I. Valenzuela-Carrillo, J. A. Palmas-León
On-Site Speaker (Planned) E. D. German-Magaldi
Abstract Scope This study investigates how precursor powder milling time (MT) affects the microstructure of Ba1-xYxTi1-x/4O3 (x = 0.0, 0.005, 0.015) solid solutions, synthesized via solid-state reaction. Initial BaCO3, TiO2, and Y2O3 powders (average particle sizes: 5.354 μm, 1.204 μm, and 7.083 μm, respectively) were mechanically milled in an HDPE container with zirconia balls (2.95, 5.05, and 6.48 mm) for 6, 12, and 24 hours. Laser particle size analysis showed decreasing particle sizes with increased MT, reaching 9.37 μm, 8.54 μm, and 7.78 μm for the 6, 12, and 24-hour MTs, respectively, across all compositions. HRSEM analysis of sintered samples revealed average grain sizes of 161 nm, with finer grains as MT increased. X-ray Diffraction (XRD) of the sintered powders confirmed the tetragonal BaTiO3 phase for all compositions and MTs. Results indicate MT significantly influences microstructural refinement, while Y3+ doping does not alter the formation of the ferroelectric tetragonal BaTiO3 phase.
Proceedings Inclusion? Planned:
Keywords Other, Other, Other

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