マイクロ波照射下で自己発熱するポーラスなNiO-(Ce, Sm)O_2複合体の温度プロファイルと焼結性(<ゲストエディターによる特集>周期空間と相互作用する新しいセラミックスのマテリアルデザインとプロセッシング)

概要

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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℃ for solid oxide fuel cell applications, were investigated. The porous NiO-(Ce, Sm)O_2 composites were heated to ca. 1300℃ 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℃ for 2 h after the pre-heating at 800℃. The sinterability was comparable to that by conventional sintering at 1400℃ for 2 h.
社団法人日本セラミックス協会の論文
2006-01-01