Fabrication of silicon nitride ceramics by electrophoretic deposition

Tetsuo Uchikoshi; Yoko Fukada; Tohru S. Suzuki; Patrick S. Nicholson

doi:10.2497/jjspm.47.1021

Fabrication of silicon nitride ceramics by electrophoretic deposition

Tetsuo Uchikoshi, Yoko Fukada, Tohru S. Suzuki, Patrick S. Nicholson

研究成果: Article › 査読

1 被引用数 (Scopus)

抄録

Surface coating of Si₃N₄, powder with an alumina precursor was achieved by a sol-gel method using aluminum isopropoxide. Electrophoretic data showed the surface-coated Si₃N₄ powder behaved like alumina. Consolidation of the surface-coated powder was attempted by an electrophoretic deposition (EPD) technique. EPD rate was improved for the surface-coated powder. Sintering characteristics and fracture toughness were investigated for EPDed compacts. It was demonstrated that the surface coating of Si₃N₄ powder with alumina precursor had the advantage of not only the improvement of suspension stability, but also the addition of sintering aid.

本文言語	English
ページ（範囲）	1021-1025
ページ数	5
ジャーナル	Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy
巻	47
号	9
DOI	https://doi.org/10.2497/jjspm.47.1021
出版ステータス	Published - 2000 9月
外部発表	はい

ASJC Scopus subject areas

機械工学
産業および生産工学
金属および合金
材料化学

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10.2497/jjspm.47.1021

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abstract = "Surface coating of Si3N4, powder with an alumina precursor was achieved by a sol-gel method using aluminum isopropoxide. Electrophoretic data showed the surface-coated Si3N4 powder behaved like alumina. Consolidation of the surface-coated powder was attempted by an electrophoretic deposition (EPD) technique. EPD rate was improved for the surface-coated powder. Sintering characteristics and fracture toughness were investigated for EPDed compacts. It was demonstrated that the surface coating of Si3N4 powder with alumina precursor had the advantage of not only the improvement of suspension stability, but also the addition of sintering aid.",

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AU - Fukada, Yoko

AU - Suzuki, Tohru S.

AU - Nicholson, Patrick S.

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Y1 - 2000/9

N2 - Surface coating of Si3N4, powder with an alumina precursor was achieved by a sol-gel method using aluminum isopropoxide. Electrophoretic data showed the surface-coated Si3N4 powder behaved like alumina. Consolidation of the surface-coated powder was attempted by an electrophoretic deposition (EPD) technique. EPD rate was improved for the surface-coated powder. Sintering characteristics and fracture toughness were investigated for EPDed compacts. It was demonstrated that the surface coating of Si3N4 powder with alumina precursor had the advantage of not only the improvement of suspension stability, but also the addition of sintering aid.

AB - Surface coating of Si3N4, powder with an alumina precursor was achieved by a sol-gel method using aluminum isopropoxide. Electrophoretic data showed the surface-coated Si3N4 powder behaved like alumina. Consolidation of the surface-coated powder was attempted by an electrophoretic deposition (EPD) technique. EPD rate was improved for the surface-coated powder. Sintering characteristics and fracture toughness were investigated for EPDed compacts. It was demonstrated that the surface coating of Si3N4 powder with alumina precursor had the advantage of not only the improvement of suspension stability, but also the addition of sintering aid.

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Fabrication of silicon nitride ceramics by electrophoretic deposition

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