Preferred Grain Orientation Relationships in Sintered Perovskite Ceramics | Zendy

Ernst Frank | Zendy; Mulvihill Maureen L. | Zendy; Kienzle Oliver | Zendy; Rühle Manfred | Zendy

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Preferred Grain Orientation Relationships in Sintered Perovskite Ceramics

Author(s) -

Ernst Frank,

Mulvihill Maureen L.,

Kienzle Oliver,

Rühle Manfred

Publication year - 2001

Publication title -

journal of the american ceramic society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.9

H-Index - 196

eISSN - 1551-2916

pISSN - 0002-7820

DOI - 10.1111/j.1151-2916.2001.tb00931.x

Subject(s) - materials science , electron backscatter diffraction , texture (cosmology) , perovskite (structure) , scanning electron microscope , orientation (vector space) , ceramic , grain boundary , sintering , mineralogy , diffraction , crystallography , composite material , microstructure , optics , geology , chemistry , geometry , image (mathematics) , physics , mathematics , artificial intelligence , computer science

Sintered BaTiO 3 , SrTiO 3 , and Pb(Zr x Ti 1− x )O 3 ceramics were examined using orientation imaging microscopy (OIM TM ), which is a system for the automated measurement of grain orientations by evaluating electron backscatter diffraction patterns in scanning electron microscopy. As expected for sintered materials, none of the three materials exhibited a pronounced texture. However, analysis of the orientation relationships (ORs) between adjacent grains revealed a statistically significant preference of Σ= 3 ORs. Accordingly, the boundaries between grains with a Σ= 3 OR were particularly important for the macroscopic properties of the materials in question.

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