Joining B4C–TiB2 ceramics with Ti interlayer via spark plasma sintering: Temperature-dependent interfacial microstructure and mechanical strength

To investigate the bonding behavior of SiC-free composite ceramics via spark plasma sintering (SPS), this study demonstrated the successful joining of B4C–40 vol% TiB2 ceramics with a Ti foil interlayer within the temperature range of 1000–1400 °C. The bonding mechanisms across temperatures were sys...

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Main Authors: Wei Wang, Lei Zhao, Ao Han, Yaxin Wang, Gang Wang, Songlin Ran, Xing Jin
Format: Article
Language:English
Published: Tsinghua University Press 2025-07-01
Series:Journal of Advanced Ceramics
Subjects:
Online Access:https://www.sciopen.com/article/10.26599/JAC.2025.9221112
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author Wei Wang
Lei Zhao
Ao Han
Yaxin Wang
Gang Wang
Songlin Ran
Xing Jin
author_facet Wei Wang
Lei Zhao
Ao Han
Yaxin Wang
Gang Wang
Songlin Ran
Xing Jin
author_sort Wei Wang
collection DOAJ
description To investigate the bonding behavior of SiC-free composite ceramics via spark plasma sintering (SPS), this study demonstrated the successful joining of B4C–40 vol% TiB2 ceramics with a Ti foil interlayer within the temperature range of 1000–1400 °C. The bonding mechanisms across temperatures were systematically elucidated through integrated approaches, including phase composition analysis, microstructural observation, and thermodynamic and diffusion kinetic calculations. The results revealed that the competitive reactions between active Ti and ceramic phases drive sequential compositional evolution at the joint interface. Starting from pure Ti, the interface transitioned to a mixture of TiB2, TiC, TiB, and residual Ti, ultimately forming a stable TiB2–TiC–TiB ceramic assemblage as the temperature increases. Kinetic analysis revealed that between 1000 and 1300 °C, the reaction layer thickness followed a diffusion-controlled growth model and was directly correlated with temperature via Arrhenius-type kinetics. At the highest temperature of 1400 °C, the complete consumption of Ti yielded a full-ceramic joint. Mechanical characterization indicated that these temperature-dependent microstructural changes significantly affected joint performance. The maximum shear strength of 72 MPa was achieved at 1300 °C, accompanied by crack penetration through the ceramic, reaction layer, and residual Ti layer during fracture.
format Article
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institution DOAJ
issn 2226-4108
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language English
publishDate 2025-07-01
publisher Tsinghua University Press
record_format Article
series Journal of Advanced Ceramics
spelling doaj-art-ae596c079ba141f8949601f702ea28ac2025-08-20T02:58:11ZengTsinghua University PressJournal of Advanced Ceramics2226-41082227-85082025-07-01147922111210.26599/JAC.2025.9221112Joining B4C–TiB2 ceramics with Ti interlayer via spark plasma sintering: Temperature-dependent interfacial microstructure and mechanical strengthWei Wang0Lei Zhao1Ao Han2Yaxin Wang3Gang Wang4Songlin Ran5Xing Jin6Advanced Ceramics Research Center, School of Materials Science and Engineering, Anhui University of Technology, Maanshan 243002, ChinaAdvanced Ceramics Research Center, School of Materials Science and Engineering, Anhui University of Technology, Maanshan 243002, ChinaSchool of Materials Science and Engineering, Anhui Polytechnic University, Wuhu 241000, ChinaAdvanced Ceramics Research Center, School of Materials Science and Engineering, Anhui University of Technology, Maanshan 243002, ChinaSchool of Materials Science and Engineering, Anhui Polytechnic University, Wuhu 241000, ChinaAdvanced Ceramics Research Center, School of Materials Science and Engineering, Anhui University of Technology, Maanshan 243002, ChinaAdvanced Ceramics Research Center, School of Materials Science and Engineering, Anhui University of Technology, Maanshan 243002, ChinaTo investigate the bonding behavior of SiC-free composite ceramics via spark plasma sintering (SPS), this study demonstrated the successful joining of B4C–40 vol% TiB2 ceramics with a Ti foil interlayer within the temperature range of 1000–1400 °C. The bonding mechanisms across temperatures were systematically elucidated through integrated approaches, including phase composition analysis, microstructural observation, and thermodynamic and diffusion kinetic calculations. The results revealed that the competitive reactions between active Ti and ceramic phases drive sequential compositional evolution at the joint interface. Starting from pure Ti, the interface transitioned to a mixture of TiB2, TiC, TiB, and residual Ti, ultimately forming a stable TiB2–TiC–TiB ceramic assemblage as the temperature increases. Kinetic analysis revealed that between 1000 and 1300 °C, the reaction layer thickness followed a diffusion-controlled growth model and was directly correlated with temperature via Arrhenius-type kinetics. At the highest temperature of 1400 °C, the complete consumption of Ti yielded a full-ceramic joint. Mechanical characterization indicated that these temperature-dependent microstructural changes significantly affected joint performance. The maximum shear strength of 72 MPa was achieved at 1300 °C, accompanied by crack penetration through the ceramic, reaction layer, and residual Ti layer during fracture.https://www.sciopen.com/article/10.26599/JAC.2025.9221112b4c–tib2joiningspark plasma sintering (sps)ti foil
spellingShingle Wei Wang
Lei Zhao
Ao Han
Yaxin Wang
Gang Wang
Songlin Ran
Xing Jin
Joining B4C–TiB2 ceramics with Ti interlayer via spark plasma sintering: Temperature-dependent interfacial microstructure and mechanical strength
Journal of Advanced Ceramics
b4c–tib2
joining
spark plasma sintering (sps)
ti foil
title Joining B4C–TiB2 ceramics with Ti interlayer via spark plasma sintering: Temperature-dependent interfacial microstructure and mechanical strength
title_full Joining B4C–TiB2 ceramics with Ti interlayer via spark plasma sintering: Temperature-dependent interfacial microstructure and mechanical strength
title_fullStr Joining B4C–TiB2 ceramics with Ti interlayer via spark plasma sintering: Temperature-dependent interfacial microstructure and mechanical strength
title_full_unstemmed Joining B4C–TiB2 ceramics with Ti interlayer via spark plasma sintering: Temperature-dependent interfacial microstructure and mechanical strength
title_short Joining B4C–TiB2 ceramics with Ti interlayer via spark plasma sintering: Temperature-dependent interfacial microstructure and mechanical strength
title_sort joining b4c tib2 ceramics with ti interlayer via spark plasma sintering temperature dependent interfacial microstructure and mechanical strength
topic b4c–tib2
joining
spark plasma sintering (sps)
ti foil
url https://www.sciopen.com/article/10.26599/JAC.2025.9221112
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