Image analysis of multiphased ceramics

In this study, we focus on the recognition and characterization of the different phases present in a (Zr,Sn)TiO 4 ceramic (with some amounts of La 2O 3 and NiO as sintering aids). Our work deals with the study of segmentation techniques that automatically extract each of the phases (ZST, TiO 2, La 2...

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Bibliographic Details
Published in:Journal of the European Ceramic Society 2001, Vol.21 (10), p.2149-2151
Main Authors: Belhomme, P., Houivet, D., Lecluse, W., Haussonne, J.M.
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Cross-disciplinary physics: materials science
rheology
Electron microscopy
Electrotechnical and electronic ceramics
Exact sciences and technology
Image processing
Materials science
Microstructure-final
New materials: theory, design, and fabrication
Other materials
Physics
Specific materials
Technical ceramics
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Summary:In this study, we focus on the recognition and characterization of the different phases present in a (Zr,Sn)TiO 4 ceramic (with some amounts of La 2O 3 and NiO as sintering aids). Our work deals with the study of segmentation techniques that automatically extract each of the phases (ZST, TiO 2, La 2/3TiO 3,…) from a scanning electronic microscope image of a polished section of the ceramic. The main difficulty encountered at this stage of the work is that their properties in terms of gray levels are very close together, thus, imposing the combination of simple image processing operators (such as thresholding) with advanced methods based on region growing processes.
ISSN:0955-2219
1873-619X
DOI:10.1016/S0955-2219(01)00191-1