Temperature profile and sinterability of self-heating porous NiO-(Ce, Sm)O 2 composite during microwave irradiation

Motohide Matsuda, Kyunosuke Nakamoto, Michihiro Miyake

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The microwave-assisted self-heating profile and sinterability of porous NiO-(Ce, Sm)O 2 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)O 2 composites were heated to ea. 1300°C within 5 min in a microwave field. The sinterability of the self-heating NiO-(Ce, Sm)O 2 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 languageEnglish
Pages (from-to)106-109
Number of pages4
JournalNippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan
Volume114
Issue number1325
DOIs
Publication statusPublished - Jan 2006

Fingerprint

Microwave irradiation
temperature profiles
Heating
microwaves
irradiation
heating
composite materials
Microwaves
Composite materials
Temperature
solid oxide fuel cells
mixing ratios
Solid oxide fuel cells (SOFC)
shrinkage
sintering
Sintering
profiles
temperature

Keywords

  • Ceramic processing
  • Microwave heating
  • NiO-(Ce, Sm) O composite
  • Thermo-vector ceramics

ASJC Scopus subject areas

  • Ceramics and Composites

Cite this

Temperature profile and sinterability of self-heating porous NiO-(Ce, Sm)O 2 composite during microwave irradiation. / Matsuda, Motohide; Nakamoto, Kyunosuke; Miyake, Michihiro.

In: Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan, Vol. 114, No. 1325, 01.2006, p. 106-109.

Research output: Contribution to journalArticle

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AB - The microwave-assisted self-heating profile and sinterability of porous NiO-(Ce, Sm)O 2 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)O 2 composites were heated to ea. 1300°C within 5 min in a microwave field. The sinterability of the self-heating NiO-(Ce, Sm)O 2 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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