Preparation of cordierite/ZrO2 nano-composite powders by a colloidal coating process

En Hai Sun; Takafumi Kusunose; Tohru Sekino; Tomohiko Adachi; Masashi Wada; Koichi Niihara

doi:10.2109/jcersj.110.92

Preparation of cordierite/ZrO₂ nano-composite powders by a colloidal coating process

En Hai Sun, Takafumi Kusunose, Tohru Sekino, Tomohiko Adachi, Masashi Wada, Koichi Niihara

Institute of Multidisciplinary Research for Advanced Materials (IMRAM)

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Cordierite/ZrO₂ nano-composite powders were prepared by a colloidal coating process. Cordierite particles are embedded within a continuous layer of fine amorphous ZrO₂ that was provided by the colloidal processing after drying. Tetragonal ZrO₂ was first formed at 650°C and monoclinic ZrO₂ phase was identified at the calcination temperature of 800°C. After calcination at 850°C, crystallized ZrO ₂ particles with the size from 10 nm to 30 nm homogeneously covered the surface of cordierite particles. Cordierite/ZrO₂ nano-composite powders prepared by a colloidal coating process show better sinterability than that of cordierite/ZrO₂ powder mixtures prepared by a conventional mixing method, and were sintered to a density of over 96% at a low temperature of 1300°C.

Original language	English
Pages (from-to)	92-97
Number of pages	6
Journal	Journal of the Ceramic Society of Japan
Volume	110
Issue number	1278
DOIs	https://doi.org/10.2109/jcersj.110.92
Publication status	Published - 2002 Feb

Keywords

Coating
Cordierite
Nano
Sinterability

ASJC Scopus subject areas

Ceramics and Composites
Chemistry(all)
Condensed Matter Physics
Materials Chemistry

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title = "Preparation of cordierite/ZrO2 nano-composite powders by a colloidal coating process",

abstract = "Cordierite/ZrO2 nano-composite powders were prepared by a colloidal coating process. Cordierite particles are embedded within a continuous layer of fine amorphous ZrO2 that was provided by the colloidal processing after drying. Tetragonal ZrO2 was first formed at 650°C and monoclinic ZrO2 phase was identified at the calcination temperature of 800°C. After calcination at 850°C, crystallized ZrO 2 particles with the size from 10 nm to 30 nm homogeneously covered the surface of cordierite particles. Cordierite/ZrO2 nano-composite powders prepared by a colloidal coating process show better sinterability than that of cordierite/ZrO2 powder mixtures prepared by a conventional mixing method, and were sintered to a density of over 96% at a low temperature of 1300°C.",

keywords = "Coating, Cordierite, Nano, Sinterability",

author = "Sun, {En Hai} and Takafumi Kusunose and Tohru Sekino and Tomohiko Adachi and Masashi Wada and Koichi Niihara",

year = "2002",

month = feb,

doi = "10.2109/jcersj.110.92",

language = "English",

volume = "110",

pages = "92--97",

journal = "Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan",

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T1 - Preparation of cordierite/ZrO2 nano-composite powders by a colloidal coating process

AU - Sun, En Hai

AU - Kusunose, Takafumi

AU - Sekino, Tohru

AU - Adachi, Tomohiko

AU - Wada, Masashi

AU - Niihara, Koichi

PY - 2002/2

Y1 - 2002/2

N2 - Cordierite/ZrO2 nano-composite powders were prepared by a colloidal coating process. Cordierite particles are embedded within a continuous layer of fine amorphous ZrO2 that was provided by the colloidal processing after drying. Tetragonal ZrO2 was first formed at 650°C and monoclinic ZrO2 phase was identified at the calcination temperature of 800°C. After calcination at 850°C, crystallized ZrO 2 particles with the size from 10 nm to 30 nm homogeneously covered the surface of cordierite particles. Cordierite/ZrO2 nano-composite powders prepared by a colloidal coating process show better sinterability than that of cordierite/ZrO2 powder mixtures prepared by a conventional mixing method, and were sintered to a density of over 96% at a low temperature of 1300°C.

AB - Cordierite/ZrO2 nano-composite powders were prepared by a colloidal coating process. Cordierite particles are embedded within a continuous layer of fine amorphous ZrO2 that was provided by the colloidal processing after drying. Tetragonal ZrO2 was first formed at 650°C and monoclinic ZrO2 phase was identified at the calcination temperature of 800°C. After calcination at 850°C, crystallized ZrO 2 particles with the size from 10 nm to 30 nm homogeneously covered the surface of cordierite particles. Cordierite/ZrO2 nano-composite powders prepared by a colloidal coating process show better sinterability than that of cordierite/ZrO2 powder mixtures prepared by a conventional mixing method, and were sintered to a density of over 96% at a low temperature of 1300°C.

KW - Coating

KW - Cordierite

KW - Nano

KW - Sinterability

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JO - Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan

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