Crystalline orientation of alumina ceramics prepared by electrophoretic deposition under a high magnetic field

T. Uchikoshi, T. S. Suzuki, Y. Sakka

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Electrophoretic deposition (EPD) of alumina in a superconducting magnet was performed at various magnetic field strengths. A stable colloidal suspension of alumina appropriate for magnetic alignment was prepared in an ethanol medium by using a phosphate ester (PE) as a dispersant. The amount of PE appropriate for the stability of the alumina suspension was investigated by measuring the pH, zeta-potential and the relative density of the green compacts. The consolidation of alumina powder was performed by EPD under a magnetic field of 0-12 T. The degree of crystalline orientation of the sintered bodies was evaluated by X-ray diffraction (XRD) as a function of the applied magnetic field during deposition and the sintering temperature.

Original languageEnglish
Pages (from-to)8074-8078
Number of pages5
JournalJournal of Materials Science
Volume41
Issue number24
DOIs
Publication statusPublished - 2006 Dec 1
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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