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HERO ID
1736564
Reference Type
Book/Book Chapter
Title
CERIA-STABILIZED ZIRCONIA/ALUMINA NANOCOMPOSITE SUITABLE FOR ELECTROPHORETIC DEPOSITION IN THE FABRICATION OF DENTAL RESTORATIONS
Author(s)
Nakakmura, T; Nishida, H; Sekino, T; Tang, X; Yatani, H
Year
2010
Book Title
Ceramic Transactions
Volume
210
Page Numbers
407-412
Web of Science Id
WOS:000287890200058
Abstract
The aim of this study was to prepare the ceria-stabilized zirconia (Ce-TZP)/alumina nanocomposite powder suitable for the electrophoretic deposition (EPD) in the fabrication of dental restorations. The mixtures of Ce-TZP and gamma- Al(2)O(3) powder were calcined at 1200, 1300, or 1400 degrees C and were ball-milled in a wet and dry condition. Then, EPD was performed and the weight of the deposited material was determined.
In case of the specimens calcined at 1300 and 1400 degrees C composite particles were observed with a transmission electron microscope. However, no composite particles were found in the specimens prepared at 1200 degrees C. The maximum deposit weight was 115.2 mg/cm(2) (1200 degrees C), followed by 70.0 mg/cm(2) (1300 degrees C), and 66.6 mg/cm(2) (1400 degrees C). The deposit weight tended to decrease as the calcination temperature increased and the particle size became larger.
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