Instantaneous nano-order fragmentation in mullite ceramics triggered by a shock-induced phase transition

Toshiyuki Atou, Nobuaki Kawai, Shun Ito, Kunio Yubuta, Masae Kikuchi

研究成果: Article査読

3 被引用数 (Scopus)

抄録

Mullite, a conventional refractory material, was observed to exhibit a peculiar nano-order fragmentation accompanying a phase transition induced by a shock wave. We propose a mechanism for this nanofragmentation, based on a comparative study of mullite-related materials. The microtextures of the mullite-related materials were affected by their initial crystal structure and chemical composition, indicating that oxygen vacancies in the crystal structure play an important role in the nanofragmentation. The results of the present study will help enable the deliberate control of the physical and mechanical properties of materials during high-velocity impact.

本文言語English
論文番号093523
ジャーナルJournal of Applied Physics
108
9
DOI
出版ステータスPublished - 2010 11 1

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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