In-situ synthesis of alumina matrix composites by spark plasma sintering

Zhong Chun Chen, Sri Nugroho, Akira Kawasaki

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Al2O3 matrix composites reinforced with Ba-Β-Al2O3 phase were synthesized through reactive sintering using Al2O3 and BaCO3 as starting powders. Dense Al2O3/Ba-Β-Al2O3 composites can be obtained by spark plasma sintering from Al2O3/BaO·Al2O3 powder, which was prepared by calcining Al2O3BaCO powder mixture. The Ba-Β-Al2O3 reinforcing phase exhibited an elongated morphology due to preferred diffusion of Ba cations. The existence of Ba-Β-Al2O3 phase as well as low sintering temperature and short holding time during reactive sintering inhibit grain growth and thus result in small grain sizes of the Al2O3 matrix.

Original languageEnglish
Title of host publicationAdvanced Materials Science and Technology
PublisherTrans Tech Publications Ltd
Pages92-95
Number of pages4
ISBN (Print)9783037856604
DOIs
Publication statusPublished - 2013
Event8th International Forum on Advanced Materials Science and Technology, IFAMST 2012 - Fukuoka City, Japan
Duration: 2012 Aug 12012 Aug 4

Publication series

NameMaterials Science Forum
Volume750
ISSN (Print)0255-5476
ISSN (Electronic)1662-9752

Other

Other8th International Forum on Advanced Materials Science and Technology, IFAMST 2012
CountryJapan
CityFukuoka City
Period12/8/112/8/4

Keywords

  • Ceramic matrix composites
  • In-situ synthesis
  • Reactive sintering

ASJC Scopus subject areas

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

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