Low-temperature densification of TiB2 ceramic by the spark plasma sintering process with Ti as a sintering aid

Zhao Hui Zhang; Xiang Bo Shen; Fu Chi Wang; Shu Kui Lee; Qun Bo Fan; Mao Sheng Cao

doi:10.1016/j.scriptamat.2011.10.030

Low-temperature densification of TiB₂ ceramic by the spark plasma sintering process with Ti as a sintering aid

Zhao Hui Zhang^*, Xiang Bo Shen, Fu Chi Wang, Shu Kui Lee, Qun Bo Fan, Mao Sheng Cao

^*Corresponding author for this work

School of Material Science and Engineering

Beijing Institute of Technology

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

76 Citations (Scopus)

Abstract

The microstructure and the mechanical properties of TiB₂ ceramics synthesized by the spark plasma sintering (SPS) process with Ti sinter-aid were investigated. The results indicate that the addition of 2.5 wt.% Ti significantly decreases the densification temperature of the TiB₂ ceramic. The TiB₂ ceramic sintered at 1650 °C exhibits the highest relative density of 99.1%, a microhardness of 26.8 ± 1.6 GPa, a flexural strength of 558 ± 39 MPa and a fracture toughness of 5.9 ± 0.3 MPa m^1/2.

Original language	English
Pages (from-to)	167-170
Number of pages	4
Journal	Scripta Materialia
Volume	66
Issue number	3-4
DOIs	https://doi.org/10.1016/j.scriptamat.2011.10.030
Publication status	Published - Feb 2012

Keywords

Grain growth
Mechanical properties
Microstructure
Sintering
Titanium diboride

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10.1016/j.scriptamat.2011.10.030

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Zhang, Z. H., Shen, X. B., Wang, F. C., Lee, S. K., Fan, Q. B., & Cao, M. S. (2012). Low-temperature densification of TiB₂ ceramic by the spark plasma sintering process with Ti as a sintering aid. Scripta Materialia, 66(3-4), 167-170. https://doi.org/10.1016/j.scriptamat.2011.10.030

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title = "Low-temperature densification of TiB2 ceramic by the spark plasma sintering process with Ti as a sintering aid",

abstract = "The microstructure and the mechanical properties of TiB2 ceramics synthesized by the spark plasma sintering (SPS) process with Ti sinter-aid were investigated. The results indicate that the addition of 2.5 wt.% Ti significantly decreases the densification temperature of the TiB2 ceramic. The TiB2 ceramic sintered at 1650 °C exhibits the highest relative density of 99.1%, a microhardness of 26.8 ± 1.6 GPa, a flexural strength of 558 ± 39 MPa and a fracture toughness of 5.9 ± 0.3 MPa m1/2.",

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AU - Shen, Xiang Bo

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AU - Lee, Shu Kui

AU - Fan, Qun Bo

AU - Cao, Mao Sheng

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N2 - The microstructure and the mechanical properties of TiB2 ceramics synthesized by the spark plasma sintering (SPS) process with Ti sinter-aid were investigated. The results indicate that the addition of 2.5 wt.% Ti significantly decreases the densification temperature of the TiB2 ceramic. The TiB2 ceramic sintered at 1650 °C exhibits the highest relative density of 99.1%, a microhardness of 26.8 ± 1.6 GPa, a flexural strength of 558 ± 39 MPa and a fracture toughness of 5.9 ± 0.3 MPa m1/2.

AB - The microstructure and the mechanical properties of TiB2 ceramics synthesized by the spark plasma sintering (SPS) process with Ti sinter-aid were investigated. The results indicate that the addition of 2.5 wt.% Ti significantly decreases the densification temperature of the TiB2 ceramic. The TiB2 ceramic sintered at 1650 °C exhibits the highest relative density of 99.1%, a microhardness of 26.8 ± 1.6 GPa, a flexural strength of 558 ± 39 MPa and a fracture toughness of 5.9 ± 0.3 MPa m1/2.

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KW - Mechanical properties

KW - Microstructure

KW - Sintering

KW - Titanium diboride

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Low-temperature densification of TiB₂ ceramic by the spark plasma sintering process with Ti as a sintering aid

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