Influence of TiB2 and CrB2 on densification, microstructure, and mechanical properties of ZrB2 ceramics

Jin-Hao Yuan; Wei-Ming Guo; Qiu-Yu Liu; Yan Zhang; Li-Xiang Wu; Yang You; Shi-Kuan Sun; Mingwen Bai; Hua-Tay Lin

doi:10.1016/j.ceramint.2021.06.130

Influence of TiB2 and CrB2 on densification, microstructure, and mechanical properties of ZrB2 ceramics

Jin-Hao Yuan, Wei-Ming Guo, Qiu-Yu Liu, Yan Zhang, Li-Xiang Wu, Yang You, Shi-Kuan Sun, Mingwen Bai, Hua-Tay Lin

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Abstract

The sinterability, microstructure, and mechanical properties of pure TiB2- and CrB2-doped ZrB2 prepared by spark plasma sintering were investigated. The solid solutions were synthesized by the complete borothermal reduction to form (Zr0.95Ti0.05)B2 and (Zr0.95Cr0.05)B2. The results showed that the solid solution of (Zr0.95Ti0.05)B2 yielded the smaller particle size than that of (Zr0.95Cr0.05)B2. The sinterability was also improved with the use of the solid solutions, as evidenced by an increase of relative density but at the cost of coarsened microstructure. Overall, (Zr0.95Cr0.05)B2 possessed significantly higher relative density and Vickers hardness than ZrB2 and (Zr0.95Ti0.05)B2.

Original language	English
Pages (from-to)	28008-28013
Number of pages	6
Journal	Ceramics International
Volume	47
Issue number	19
Early online date	21 Jun 2021
DOIs	https://doi.org/10.1016/j.ceramint.2021.06.130
Publication status	Published - Oct 2021

Bibliographical note

© 2021, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/

Copyright © and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders.

This document is the author’s post-print version, incorporating any revisions agreed during the peer-review process. Some differences between the published version and this version may remain and you are advised to consult the published version if you wish to cite from it.

Funder

This work was financially supported by National Natural Science Foundation of China (No. 51832002 , 51402055 , 51602060 and U1401247 ).

Keywords

ZrB ceramics
Densification
Microstructure
Mechanical properties

ASJC Scopus subject areas

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

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10.1016/j.ceramint.2021.06.130

Post-PrintAccepted author manuscript, 1.26 MBLicence: CC BY-NC-ND

Cite this

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title = "Influence of TiB2 and CrB2 on densification, microstructure, and mechanical properties of ZrB2 ceramics",

abstract = "The sinterability, microstructure, and mechanical properties of pure TiB2- and CrB2-doped ZrB2 prepared by spark plasma sintering were investigated. The solid solutions were synthesized by the complete borothermal reduction to form (Zr0.95Ti0.05)B2 and (Zr0.95Cr0.05)B2. The results showed that the solid solution of (Zr0.95Ti0.05)B2 yielded the smaller particle size than that of (Zr0.95Cr0.05)B2. The sinterability was also improved with the use of the solid solutions, as evidenced by an increase of relative density but at the cost of coarsened microstructure. Overall, (Zr0.95Cr0.05)B2 possessed significantly higher relative density and Vickers hardness than ZrB2 and (Zr0.95Ti0.05)B2.",

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AU - Liu, Qiu-Yu

AU - Zhang, Yan

AU - Wu, Li-Xiang

AU - You, Yang

AU - Sun, Shi-Kuan

AU - Bai, Mingwen

AU - Lin, Hua-Tay

N1 - © 2021, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/ Copyright © and Moral Rights are retained by the author(s) and/ or other copyright owners. A copy can be downloaded for personal non-commercial research or study, without prior permission or charge. This item cannot be reproduced or quoted extensively from without first obtaining permission in writing from the copyright holder(s). The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the copyright holders. This document is the author’s post-print version, incorporating any revisions agreed during the peer-review process. Some differences between the published version and this version may remain and you are advised to consult the published version if you wish to cite from it.

PY - 2021/10

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N2 - The sinterability, microstructure, and mechanical properties of pure TiB2- and CrB2-doped ZrB2 prepared by spark plasma sintering were investigated. The solid solutions were synthesized by the complete borothermal reduction to form (Zr0.95Ti0.05)B2 and (Zr0.95Cr0.05)B2. The results showed that the solid solution of (Zr0.95Ti0.05)B2 yielded the smaller particle size than that of (Zr0.95Cr0.05)B2. The sinterability was also improved with the use of the solid solutions, as evidenced by an increase of relative density but at the cost of coarsened microstructure. Overall, (Zr0.95Cr0.05)B2 possessed significantly higher relative density and Vickers hardness than ZrB2 and (Zr0.95Ti0.05)B2.

AB - The sinterability, microstructure, and mechanical properties of pure TiB2- and CrB2-doped ZrB2 prepared by spark plasma sintering were investigated. The solid solutions were synthesized by the complete borothermal reduction to form (Zr0.95Ti0.05)B2 and (Zr0.95Cr0.05)B2. The results showed that the solid solution of (Zr0.95Ti0.05)B2 yielded the smaller particle size than that of (Zr0.95Cr0.05)B2. The sinterability was also improved with the use of the solid solutions, as evidenced by an increase of relative density but at the cost of coarsened microstructure. Overall, (Zr0.95Cr0.05)B2 possessed significantly higher relative density and Vickers hardness than ZrB2 and (Zr0.95Ti0.05)B2.

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Influence of TiB2 and CrB2 on densification, microstructure, and mechanical properties of ZrB2 ceramics

Abstract

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Keywords

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