Effects of various reducing agents on the synthesis of Si3N4 whiskers from diatomaceous earth

Yukako Mizuhara, Masao Noguchi, Tatsumi Ishihara, Yusaku Takita

研究成果: Contribution to journalArticle

抄録

Diatomaceous earth were subjected to carbothermal reduction and nitridation in a flow of nitrogen containing various reducing agents; NH3, H2, CO, and CH4. It was found that a carbon plate or mathane are capable of reducing SiO2, but neither H2 nor CO. The effect of addition of powdered carbon to diatomaceous earth was also studied. Results were obtained in terms of the yields both outside and inside the whiskers.

本文言語英語
ページ(範囲)640-645
ページ数6
ジャーナルJournal of the Ceramic Society of Japan. International ed.
102
7
出版ステータス出版済み - 7 1994
外部発表はい

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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