Ceramic catalyst combustors of Pt-loaded-alumina on microdevices

Woosuck Shin, Maiko Nishibori, Masayoshi Ohashi, I. Z.U. Noriya, Toshio Itoh, Ichiro Matsubara

研究成果: Article査読

9 被引用数 (Scopus)

抄録

Ceramic catalysts for the integration of the combustor patterns onto microdevices have been prepared. The catalyst powder of 40 wt% Pt-loaded on alumina was mixed with the organic vehicle of terpineol and ethyl cellulose, to make various paste compositions of different particle concentration and ethyl cellulous. The pastes with 5 wt% and 10 wt% ethyl cellulous have enhanced the linear Newtonian regions of the viscosity down to the shear rate about 5 s -1 and 0.1 s-1, respectively. For the dispensing the paste of 5 wt% ethyl cellulous and 13.7 vol% particle, the shear rate within the nozzle of 0.1 mm was calculated from the dispensed volume and speed to be 357 1/s and the viscosity data and yield stress data have been analyzed to be reasonable 0.3 Pa-s, and 100 Pa, approximately. The performance of the catalyst combustors dispensed on the microdevices have been carried out by the hydrogen mixed air gas flow, changing the catalyst temperature from 10 to 120°C.

本文言語English
ページ(範囲)659-665
ページ数7
ジャーナルJournal of the Ceramic Society of Japan
117
1365
DOI
出版ステータスPublished - 2009 5
外部発表はい

ASJC Scopus subject areas

  • セラミックおよび複合材料
  • 化学 (全般)
  • 凝縮系物理学
  • 材料化学

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