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

Ying Li; Hirokazu Katsui; Takashi Goto

doi:10.1016/j.ceramint.2015.07.055

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

Ying Li, Hirokazu Katsui, Takashi Goto

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

A 90TiC-10ZrC (mol%) solid solution was consolidated by spark plasma sintering at 2373 K and decomposed into Zr_0.94Ti_0.06C nodules and Ti_0.97Zr_0.03C matrix by heat treatment at 1573 K. The Zr_0.94Ti_0.06C nodules were precipitated in the Ti_0.97Zr_0.03C matrix with Ti_0.97Zr_0.03C {100} // Zr_0.94Ti_0.06C {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 m^1/2, respectively.

Original language	English
Pages (from-to)	14258-14262
Number of pages	5
Journal	Ceramics International
Volume	41
Issue number	10
DOIs	https://doi.org/10.1016/j.ceramint.2015.07.055
Publication status	Published - 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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title = "Phase decomposition of TiC-ZrC solid solution prepared by spark plasma sintering",

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.",

keywords = "Nanostructure, Phase decomposition, Solid solution, Titanium carbide, Zirconium carbide",

author = "Ying Li and Hirokazu Katsui and Takashi Goto",

year = "2015",

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doi = "10.1016/j.ceramint.2015.07.055",

language = "English",

volume = "41",

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journal = "Ceramics International",

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T1 - Phase decomposition of TiC-ZrC solid solution prepared by spark plasma sintering

AU - Li, Ying

AU - Katsui, Hirokazu

AU - Goto, Takashi

PY - 2015/4/23

Y1 - 2015/4/23

N2 - 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.

AB - 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.

KW - Nanostructure

KW - Phase decomposition

KW - Solid solution

KW - Titanium carbide

KW - Zirconium carbide

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