Temperature profile and sinterability of self-heating porous NiO-(Ce, Sm)O2 composite during microwave irradiation

Motohide Matsuda; Kyunosuke Nakamoto; Michihiro Miyake

doi:10.2109/jcersj.114.106

Temperature profile and sinterability of self-heating porous NiO-(Ce, Sm)O₂ composite during microwave irradiation

Motohide Matsuda, Kyunosuke Nakamoto, Michihiro Miyake

Graduate School of Environmental and Life Science

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

5 Citations (Scopus)

Abstract

The microwave-assisted self-heating profile and sinterability of porous NiO-(Ce, Sm)O₂ composites with 25, 50 and 75 mass% NiO, which were prepared by heating at 800-1200°C for solid oxide fuel cell applications, were investigated. The porous NiO-(Ce, Sm)O₂ composites were heated to ea. 1300°C within 5 min in a microwave field. The sinterability of the self-heating NiO-(Ce, Sm)O₂ composites in a microwave field was dependent upon the mixing ratio of NiO and the pre-heating temperature. A large shrinkage of over 20% was achieved for the 25 mass% NiO-containing composites microwave-heated at 1300°C for 2 h after the pre-heating at 800°C. The sinterability was comparable to that by conventional sintering at 1400°C for 2 h.

Original language	English
Pages (from-to)	106-109
Number of pages	4
Journal	Journal of the Ceramic Society of Japan
Volume	114
Issue number	1325
DOIs	https://doi.org/10.2109/jcersj.114.106
Publication status	Published - Jan 2006

Keywords

Ceramic processing
Microwave heating
Thermo-vector ceramics

ASJC Scopus subject areas

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

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title = "Temperature profile and sinterability of self-heating porous NiO-(Ce, Sm)O2 composite during microwave irradiation",

abstract = "The microwave-assisted self-heating profile and sinterability of porous NiO-(Ce, Sm)O2 composites with 25, 50 and 75 mass% NiO, which were prepared by heating at 800-1200°C for solid oxide fuel cell applications, were investigated. The porous NiO-(Ce, Sm)O2 composites were heated to ea. 1300°C within 5 min in a microwave field. The sinterability of the self-heating NiO-(Ce, Sm)O2 composites in a microwave field was dependent upon the mixing ratio of NiO and the pre-heating temperature. A large shrinkage of over 20% was achieved for the 25 mass% NiO-containing composites microwave-heated at 1300°C for 2 h after the pre-heating at 800°C. The sinterability was comparable to that by conventional sintering at 1400°C for 2 h.",

keywords = "Ceramic processing, Microwave heating, Thermo-vector ceramics",

author = "Motohide Matsuda and Kyunosuke Nakamoto and Michihiro Miyake",

year = "2006",

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AU - Matsuda, Motohide

AU - Nakamoto, Kyunosuke

AU - Miyake, Michihiro

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N2 - The microwave-assisted self-heating profile and sinterability of porous NiO-(Ce, Sm)O2 composites with 25, 50 and 75 mass% NiO, which were prepared by heating at 800-1200°C for solid oxide fuel cell applications, were investigated. The porous NiO-(Ce, Sm)O2 composites were heated to ea. 1300°C within 5 min in a microwave field. The sinterability of the self-heating NiO-(Ce, Sm)O2 composites in a microwave field was dependent upon the mixing ratio of NiO and the pre-heating temperature. A large shrinkage of over 20% was achieved for the 25 mass% NiO-containing composites microwave-heated at 1300°C for 2 h after the pre-heating at 800°C. The sinterability was comparable to that by conventional sintering at 1400°C for 2 h.

AB - The microwave-assisted self-heating profile and sinterability of porous NiO-(Ce, Sm)O2 composites with 25, 50 and 75 mass% NiO, which were prepared by heating at 800-1200°C for solid oxide fuel cell applications, were investigated. The porous NiO-(Ce, Sm)O2 composites were heated to ea. 1300°C within 5 min in a microwave field. The sinterability of the self-heating NiO-(Ce, Sm)O2 composites in a microwave field was dependent upon the mixing ratio of NiO and the pre-heating temperature. A large shrinkage of over 20% was achieved for the 25 mass% NiO-containing composites microwave-heated at 1300°C for 2 h after the pre-heating at 800°C. The sinterability was comparable to that by conventional sintering at 1400°C for 2 h.

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KW - Thermo-vector ceramics

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