Low-Temperature Synthesis of Aluminum Nitride from Transition Alumina by Microwave Processing

研究成果: Article査読

6 被引用数 (Scopus)

抄録

Aluminum nitride (AlN) was synthesized by carbothermal reduction and nitridation method from a mixture of various transition alumina powders and carbon black using 2.45 GHz microwave irradiation in N2 atmosphere. We achieved the synthesis of AlN at 1300–1400°C using 2.45 GHz microwave irradiation for 60 min. Our results suggest that θ-Al2O3 is more easily nitrided than γ-, δ-, and α-Al2O3. On the other hand, nitridation ratio of samples synthesized in a conventional furnace under nitrogen atmosphere were zero or very low. These results show that 2.45 GHz microwave irradiation enhanced the reduction and nitridation reaction of alumina.

本文言語English
ページ(範囲)3540-3545
ページ数6
ジャーナルJournal of the American Ceramic Society
99
11
DOI
出版ステータスPublished - 2016

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

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