Fabrication and Characterization of a Feldspar-Alumina for Dental Ceramic

Abstract:

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Feldspar-alumina dental ceramics were produced by impressed sintering method and characterized by X-ray diffraction and scanning electron microscope techniques. The machinability of the obtained alumina ceramics was evaluated by grinding capacity in the simulative grinding experiment. The results show that an appropriate amount of feldspar additive can reduce the sinter temperature and improve density, bending strength and machinability of alumina dental ceramics. Under 10 wt% feldspar and 1450 °C sinter temperature, the relative density and bending strength of ceramic reached 93.62% and 235MPa, respectively.

Info:

Periodical:

Advanced Materials Research (Volumes 160-162)

Edited by:

Guojun Zhang and Jessica Xu

Pages:

424-427

DOI:

10.4028/www.scientific.net/AMR.160-162.424

Citation:

G. L. Zhang et al., "Fabrication and Characterization of a Feldspar-Alumina for Dental Ceramic", Advanced Materials Research, Vols. 160-162, pp. 424-427, 2011

Online since:

November 2010

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Price:

$35.00

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