Phase decomposition of TiC-ZrC solid solution prepared by spark plasma sintering

Ying Li, Hirokazu Katsui, Takashi Goto

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

A 90TiC-10ZrC (mol%) solid solution was consolidated by spark plasma sintering at 2373 K and decomposed into Zr0.94Ti0.06C nodules and Ti0.97Zr0.03C matrix by heat treatment at 1573 K. The Zr0.94Ti0.06C nodules were precipitated in the Ti0.97Zr0.03C matrix with Ti0.97Zr0.03C {100} // Zr0.94Ti0.06C {100}. The Vickers hardness and fracture toughness increased with increasing heat treatment time up to 36 ks and exhibited the maximum values of 25.9 GPa and 3.3 MPa m1/2, respectively.

Original languageEnglish
Pages (from-to)14258-14262
Number of pages5
JournalCeramics International
Volume41
Issue number10
DOIs
Publication statusPublished - 2015 Apr 23

Keywords

  • Nanostructure
  • Phase decomposition
  • Solid solution
  • Titanium carbide
  • Zirconium carbide

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Process Chemistry and Technology
  • Surfaces, Coatings and Films
  • Materials Chemistry

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