A new rapid route for in situ synthesizing monolithic TiB ceramic

Zhaohui Zhang; Xiangbo Shen; Fuchi Wang; Shukui Lee

doi:10.1111/j.1551-2916.2011.04694.x

A new rapid route for in situ synthesizing monolithic TiB ceramic

Zhaohui Zhang^*, Xiangbo Shen, Fuchi Wang, Shukui Lee

^*Corresponding author for this work

School of Material Science and Engineering

Beijing Institute of Technology

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

19 Citations (Scopus)

Abstract

Fine-grained monolithic TiB ceramics were successfully in situ synthesized by spark plasma sintering (SPS) technique at temperatures of 1150°-1450°C and a pressure of 50 MPa, using Ti and TiB₂ as reactants. Mechanical properties and densification behavior of the TiB ceramics were investigated. The results indicate that TiB ceramic sintered at 1450°C provide the optimal combination of dense microstructure and excellent properties, including the relative density of 98.2%, the microhardness of 21.2 ± 1.8 GPa, the flexural strength of 548 ± 45 MPa and the fracture toughness of 5.9 ± 0.4 MPa·m^1/2. The dense and fine-grained microstructures are the main factors to improve the mechanical properties of the TiB ceramic synthesized by SPS process.

Original language	English
Pages (from-to)	2754-2756
Number of pages	3
Journal	Journal of the American Ceramic Society
Volume	94
Issue number	9
DOIs	https://doi.org/10.1111/j.1551-2916.2011.04694.x
Publication status	Published - Sept 2011

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10.1111/j.1551-2916.2011.04694.x

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title = "A new rapid route for in situ synthesizing monolithic TiB ceramic",

abstract = "Fine-grained monolithic TiB ceramics were successfully in situ synthesized by spark plasma sintering (SPS) technique at temperatures of 1150°-1450°C and a pressure of 50 MPa, using Ti and TiB2 as reactants. Mechanical properties and densification behavior of the TiB ceramics were investigated. The results indicate that TiB ceramic sintered at 1450°C provide the optimal combination of dense microstructure and excellent properties, including the relative density of 98.2\%, the microhardness of 21.2 ± 1.8 GPa, the flexural strength of 548 ± 45 MPa and the fracture toughness of 5.9 ± 0.4 MPa·m1/2. The dense and fine-grained microstructures are the main factors to improve the mechanical properties of the TiB ceramic synthesized by SPS process.",

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AU - Zhang, Zhaohui

AU - Shen, Xiangbo

AU - Wang, Fuchi

AU - Lee, Shukui

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AB - Fine-grained monolithic TiB ceramics were successfully in situ synthesized by spark plasma sintering (SPS) technique at temperatures of 1150°-1450°C and a pressure of 50 MPa, using Ti and TiB2 as reactants. Mechanical properties and densification behavior of the TiB ceramics were investigated. The results indicate that TiB ceramic sintered at 1450°C provide the optimal combination of dense microstructure and excellent properties, including the relative density of 98.2%, the microhardness of 21.2 ± 1.8 GPa, the flexural strength of 548 ± 45 MPa and the fracture toughness of 5.9 ± 0.4 MPa·m1/2. The dense and fine-grained microstructures are the main factors to improve the mechanical properties of the TiB ceramic synthesized by SPS process.

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A new rapid route for in situ synthesizing monolithic TiB ceramic

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