Zirconia/Alumina Functionally Gradiented Composites by Electrophoretic Deposition Techniques

Zirconia/Alumina Functionally Gradiented Composites by Electrophoretic Deposition Techniques

An electrophoretic deposition and sintering route was used to prepare YSZ/Al2O3 composites with a compositional gradient. The YSZ content was continuously decreased from the YSZ‐rich surface to the Al2O3‐rich surface, Microstructural and Vickers hardness (16–24 GPa) evidence tracked the compositiona...

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Veröffentlicht in:Journal of the American Ceramic Society 1993-04, Vol.76 (4), p.1055-1056
Hauptverfasser: Sarkar, Partho, Huang, Xuening, Nicholson, Patrick S.
Format: Artikel
Sprache:eng
Schlagworte:
360601 - Other Materials- Preparation & Manufacture
360602 - Other Materials- Structure & Phase Studies
360603 - Materials- Properties
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CHALCOGENIDES
COMPOSITE MATERIALS
DATA
DEPOSITION
ELECTRODEPOSITION
ELECTROLYSIS
ELECTRON MICROSCOPY
ELECTROPHORESIS
EXPERIMENTAL DATA
INFORMATION
LYSIS
MATERIALS
MATERIALS SCIENCE
MICROSCOPY
MICROSTRUCTURE
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
SCANNING ELECTRON MICROSCOPY
SURFACE COATING
TRANSITION ELEMENT COMPOUNDS
VICKERS HARDNESS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES
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Beschreibung
Zusammenfassung:An electrophoretic deposition and sintering route was used to prepare YSZ/Al2O3 composites with a compositional gradient. The YSZ content was continuously decreased from the YSZ‐rich surface to the Al2O3‐rich surface, Microstructural and Vickers hardness (16–24 GPa) evidence tracked the compositional development, and the indentation fracture toughness was found to vary across the section (10–3 MPa·m1/2).
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1993.tb05335.x