Fabrication of Al2O3/BN nanocomposites by chemical processing and their mechanical properties

Takafumi Kusunose, Yoon Ho Kim, Tohru Sekino, Takuya Matsumoto, Norihito Tanaka, Tadachika Nakayama, Koichi Niihara

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

Al2O3/BN nanocomposites were fabricated through a novel chemical route involving hot-pressing of α-Al2 O3 powders covered partly with turbostratic BN (t-BN). The nano-sized hexagonal BN (h-BN) particles were found to be homogeneously dispersed within the Al2O3 grains as well as at grain boundaries, which is indicative of nanocomposite structures. Thus, the present nanocomposites exhibited the unique properties of high strength and low Young's modulus associated with nanocomposites. This paper discusses in detail the synthesis process and microstructural features of these materials.

Original languageEnglish
Pages (from-to)183-190
Number of pages8
JournalJournal of Materials Research
Volume20
Issue number1
DOIs
Publication statusPublished - Jan 1 2005

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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