Fabrication of Functionally Graded SiO2-Mo Material by Centrifugation and Floc-Casting of Highly Concentrated Slurry

To fabricate functionally graded materials, a highly concentrated slurry of SiO2‐Mo system was prepared and centrifugal force was applied in an attempt to achieve a graded composition. Subsequently, we formed a homogeneous green body with compositional gradation by floc‐casting at 80°C, which was th...

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Veröffentlicht in:	International journal of applied ceramic technology 2013-03, Vol.10 (2), p.348-353
Hauptverfasser:	Honma, Takuya, Sasaki, Ikue, Tamura, Nobuhiro, Tatami, Junichi, Fujichika, Shinichiro, Komeya, Katsutoshi, Meguro, Takeshi
Format:	Artikel
Sprache:	eng
Schlagworte:	Centrifugal force Ceramics Concentration (composition) Electrical resistivity Functionally gradient materials Resistivity Silicon dioxide Slurries
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container_title	International journal of applied ceramic technology
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creator	Honma, Takuya Sasaki, Ikue Tamura, Nobuhiro Tatami, Junichi Fujichika, Shinichiro Komeya, Katsutoshi Meguro, Takeshi
description	To fabricate functionally graded materials, a highly concentrated slurry of SiO2‐Mo system was prepared and centrifugal force was applied in an attempt to achieve a graded composition. Subsequently, we formed a homogeneous green body with compositional gradation by floc‐casting at 80°C, which was then fired at 1750°C for 10 min in Ar. The sintered body had compositional ratios of SiO2 and Mo as well as electrical conductivities that changed gradually along the direction of centrifugal force. The results demonstrate that centrifugation and control of slurry characteristics such as flocculation are effective in fabricating functionally graded SiO2‐Mo materials.
doi_str_mv	10.1111/j.1744-7402.2011.02746.x
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J. Appl. Ceram. Technol</addtitle><date>2013-03</date><risdate>2013</risdate><volume>10</volume><issue>2</issue><spage>348</spage><epage>353</epage><pages>348-353</pages><issn>1546-542X</issn><eissn>1744-7402</eissn><abstract>To fabricate functionally graded materials, a highly concentrated slurry of SiO2‐Mo system was prepared and centrifugal force was applied in an attempt to achieve a graded composition. Subsequently, we formed a homogeneous green body with compositional gradation by floc‐casting at 80°C, which was then fired at 1750°C for 10 min in Ar. The sintered body had compositional ratios of SiO2 and Mo as well as electrical conductivities that changed gradually along the direction of centrifugal force. 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subjects	Centrifugal force Ceramics Concentration (composition) Electrical resistivity Functionally gradient materials Resistivity Silicon dioxide Slurries
title	Fabrication of Functionally Graded SiO2-Mo Material by Centrifugation and Floc-Casting of Highly Concentrated Slurry
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