Spark plasma sintering of TiC-ZrC composites

Ying Li; Hirokazu Katsui; Takashi Goto

doi:10.1016/j.ceramint.2015.02.019

Spark plasma sintering of TiC-ZrC composites

Ying Li, Hirokazu Katsui, Takashi Goto

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

39 Citations (Scopus)

Abstract

TiC-ZrC composites were consolidated from TiC and ZrC powders by spark plasma sintering (SPS) at 1500-2200 °C. For sintering temperatures above 1800 °C, the sintered bodies with TiC compositions of 60-90 mol% were densified to relative densities above 95%. For sintering temperatures below 1900 °C, the sintered bodies were composed of Ti- and Zr-rich solid solutions, (Ti, Zr)C; at high temperatures above 2000 °C, they formed a single-phase (Ti, Zr)C. Above 2000 °C, the single-phase (Ti, Zr)C had a uniform morphology. The single-phase (Ti, Zr)C and the composites of Ti- and Zr-rich (Ti, Zr)C for TiC compositions greater than 80 mol% exhibited values of Vickers hardness above 26 GPa.

Original language	English
Pages (from-to)	7103-7108
Number of pages	6
Journal	Ceramics International
Volume	41
Issue number	5
DOIs	https://doi.org/10.1016/j.ceramint.2015.02.019
Publication status	Published - 2015 Jun 1

Keywords

C. Hardness
Solid solution
Spark plasma sintering
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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abstract = "TiC-ZrC composites were consolidated from TiC and ZrC powders by spark plasma sintering (SPS) at 1500-2200 °C. For sintering temperatures above 1800 °C, the sintered bodies with TiC compositions of 60-90 mol% were densified to relative densities above 95%. For sintering temperatures below 1900 °C, the sintered bodies were composed of Ti- and Zr-rich solid solutions, (Ti, Zr)C; at high temperatures above 2000 °C, they formed a single-phase (Ti, Zr)C. Above 2000 °C, the single-phase (Ti, Zr)C had a uniform morphology. The single-phase (Ti, Zr)C and the composites of Ti- and Zr-rich (Ti, Zr)C for TiC compositions greater than 80 mol% exhibited values of Vickers hardness above 26 GPa.",

keywords = "C. Hardness, Solid solution, Spark plasma sintering, Titanium carbide, Zirconium carbide",

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

note = "Funding Information: This research was partially supported by the China Scholarship Council (CSC), China, the educational project “Excellent Graduate Schools for Materials Integration Center”, Tohoku University and the Tohoku University President Fellowship . Publisher Copyright: {\textcopyright} 2015 Elsevier Ltd and Techna Group S.r.l. Copyright: Copyright 2015 Elsevier B.V., All rights reserved.",

year = "2015",

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doi = "10.1016/j.ceramint.2015.02.019",

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AU - Goto, Takashi

N1 - Funding Information: This research was partially supported by the China Scholarship Council (CSC), China, the educational project “Excellent Graduate Schools for Materials Integration Center”, Tohoku University and the Tohoku University President Fellowship . Publisher Copyright: © 2015 Elsevier Ltd and Techna Group S.r.l. Copyright: Copyright 2015 Elsevier B.V., All rights reserved.

PY - 2015/6/1

Y1 - 2015/6/1

N2 - TiC-ZrC composites were consolidated from TiC and ZrC powders by spark plasma sintering (SPS) at 1500-2200 °C. For sintering temperatures above 1800 °C, the sintered bodies with TiC compositions of 60-90 mol% were densified to relative densities above 95%. For sintering temperatures below 1900 °C, the sintered bodies were composed of Ti- and Zr-rich solid solutions, (Ti, Zr)C; at high temperatures above 2000 °C, they formed a single-phase (Ti, Zr)C. Above 2000 °C, the single-phase (Ti, Zr)C had a uniform morphology. The single-phase (Ti, Zr)C and the composites of Ti- and Zr-rich (Ti, Zr)C for TiC compositions greater than 80 mol% exhibited values of Vickers hardness above 26 GPa.

AB - TiC-ZrC composites were consolidated from TiC and ZrC powders by spark plasma sintering (SPS) at 1500-2200 °C. For sintering temperatures above 1800 °C, the sintered bodies with TiC compositions of 60-90 mol% were densified to relative densities above 95%. For sintering temperatures below 1900 °C, the sintered bodies were composed of Ti- and Zr-rich solid solutions, (Ti, Zr)C; at high temperatures above 2000 °C, they formed a single-phase (Ti, Zr)C. Above 2000 °C, the single-phase (Ti, Zr)C had a uniform morphology. The single-phase (Ti, Zr)C and the composites of Ti- and Zr-rich (Ti, Zr)C for TiC compositions greater than 80 mol% exhibited values of Vickers hardness above 26 GPa.

KW - C. Hardness

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KW - Spark plasma sintering

KW - Titanium carbide

KW - Zirconium carbide

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Spark plasma sintering of TiC-ZrC composites

Abstract

Keywords

ASJC Scopus subject areas

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