Mechanical and magnetic properties of alumina/nickel nanocomposites prepared by pulse electric current sintering

Bum Sung Kim, Tohru Sekino, Tadachika Nakayama, Takafumi Kusunose, Jai Sung Lee, Koichi Niihara

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

Al2O3/5 vol%Ni nanocomposite materials were fabricated by pulse electric current sintering (PECS) to achieve suitable microstructures. Their mechanical and magnetic properties were investigated and related to microstructure developments. Rapid densification of nanocomposites and various microstructures was accomplished by controlling PECS temperatures. Microstructures affected mechanical properties such as fracture strength, fracture toughness and hardness. Mechanical properties of Al2O3 were improved by Ni; fine dispersion into Al2O3 matrix improves changes in various ferromagnetic properties.

Original languageEnglish
Pages (from-to)457-460
Number of pages4
JournalJournal of the Ceramic Society of Japan
Volume111
Issue number1295
DOIs
Publication statusPublished - 2003 Jul

Keywords

  • Alumina
  • Magnetic property
  • Mechanical property
  • Nanocomposite
  • Nickel
  • PECS

ASJC Scopus subject areas

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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