Microstructure transition from normal to abnormal grains for BaTiO3
Journal
Journal of the European Ceramic Society
Journal Volume
29
Journal Issue
15
Pages
3243-3248
Date Issued
2009
Author(s)
Abstract
Quantitative characterization on the microstructure evolution during sintering of barium titanate has been conducted. The microstructure of the specimens sintered at 1320-1360 °C exhibits a typical mixture of normal and abnormal grains. The size of normal grains and abnormal grains differs by two orders of magnitude. No grain with an intermediate size is observed. A "pseudo-abnormal" region composing of many partially oriented normal grains is found instead. The formation of such pseudo-abnormal regions may help the transition from fine normal grains to coarse abnormal grains. © 2009 Elsevier Ltd. All rights reserved.
Type
journal article