Microstructural evolution, mechanical and thermophysical properties of (TiZrNbTa)(C1-xNx) multi-component carbonitrides
A series of multi-component carbonitrides (TiZrNbTa)(C1-xNx) (x = 0, 0.1, 0.2, 0.3, 0.4, 0.5) were successfully synthesized via spark plasma sintering (SPS) at 2000 °C under 35 MPa for 10 min. The effects of nitrogen content on microstructure, mechanical properties and thermal performance were syste...
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Elsevier
2025-09-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785425018691 |
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| author | Ming Li Wen Zhang Ziheng Chen Fangwang Fu Jinyong Zhang Lin Ren Fan Zhang Weimin Wang Zhengyi Fu |
| author_facet | Ming Li Wen Zhang Ziheng Chen Fangwang Fu Jinyong Zhang Lin Ren Fan Zhang Weimin Wang Zhengyi Fu |
| author_sort | Ming Li |
| collection | DOAJ |
| description | A series of multi-component carbonitrides (TiZrNbTa)(C1-xNx) (x = 0, 0.1, 0.2, 0.3, 0.4, 0.5) were successfully synthesized via spark plasma sintering (SPS) at 2000 °C under 35 MPa for 10 min. The effects of nitrogen content on microstructure, mechanical properties and thermal performance were systematically investigated. The results demonstrate that the nitrogen incorporation induces lattice distortion in the non-metallic sublattice, significantly reducing porosity and enhancing the densification process, while exhibiting negligible influence on the average grain size. Moreover, moderate nitrogen doping optimizes the mechanical properties, whereas excessive doping proves detrimental. The MCC8N2 sample (x = 0.2) demonstrates optimal mechanical performance, exhibiting a flexural strength of 768 ± 17 MPa, fracture toughness of 6.2 ± 0.3 MPa m1/2 and Vickers hardness of 20.6 ± 0.2 GPa. Furthermore, the nitrogen incorporation effectively reduces the thermal conductivity through intensified lattice distortion and enhanced phonon scattering. The MCC5N5 sample (x = 0.5) displays the thermal conductivity of 11.65 W m−1 K−1 at 373 K and 30.27 W m−1 K−1 at 1373 K. These findings highlight the significant potential of (TiZrNbTa)(C1-xNx) carbonitrides for high-temperature thermal insulation applications. |
| format | Article |
| id | doaj-art-249a52eab3c443a3baa99872d08068af |
| institution | DOAJ |
| issn | 2238-7854 |
| language | English |
| publishDate | 2025-09-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj-art-249a52eab3c443a3baa99872d08068af2025-08-20T02:48:10ZengElsevierJournal of Materials Research and Technology2238-78542025-09-0138758310.1016/j.jmrt.2025.07.211Microstructural evolution, mechanical and thermophysical properties of (TiZrNbTa)(C1-xNx) multi-component carbonitridesMing Li0Wen Zhang1Ziheng Chen2Fangwang Fu3Jinyong Zhang4Lin Ren5Fan Zhang6Weimin Wang7Zhengyi Fu8Hubei Longzhong Laboratory, Wuhan University of Technology Xiangyang Demonstration Zone, Xiangyang, 441000, PR China; State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, PR ChinaHubei Longzhong Laboratory, Wuhan University of Technology Xiangyang Demonstration Zone, Xiangyang, 441000, PR China; State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, PR China; Corresponding author. Hubei Longzhong Laboratory, Wuhan University of Technology Xiangyang Demonstration Zone, Xiangyang 441000, PR China.Hubei Longzhong Laboratory, Wuhan University of Technology Xiangyang Demonstration Zone, Xiangyang, 441000, PR China; State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, PR ChinaHubei Longzhong Laboratory, Wuhan University of Technology Xiangyang Demonstration Zone, Xiangyang, 441000, PR China; State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, PR ChinaState Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, PR ChinaState Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, PR ChinaHubei Longzhong Laboratory, Wuhan University of Technology Xiangyang Demonstration Zone, Xiangyang, 441000, PR China; State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, PR China; Corresponding author. Hubei Longzhong Laboratory, Wuhan University of Technology Xiangyang Demonstration Zone, Xiangyang 441000, PR China.State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, PR ChinaHubei Longzhong Laboratory, Wuhan University of Technology Xiangyang Demonstration Zone, Xiangyang, 441000, PR China; State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan, 430070, PR ChinaA series of multi-component carbonitrides (TiZrNbTa)(C1-xNx) (x = 0, 0.1, 0.2, 0.3, 0.4, 0.5) were successfully synthesized via spark plasma sintering (SPS) at 2000 °C under 35 MPa for 10 min. The effects of nitrogen content on microstructure, mechanical properties and thermal performance were systematically investigated. The results demonstrate that the nitrogen incorporation induces lattice distortion in the non-metallic sublattice, significantly reducing porosity and enhancing the densification process, while exhibiting negligible influence on the average grain size. Moreover, moderate nitrogen doping optimizes the mechanical properties, whereas excessive doping proves detrimental. The MCC8N2 sample (x = 0.2) demonstrates optimal mechanical performance, exhibiting a flexural strength of 768 ± 17 MPa, fracture toughness of 6.2 ± 0.3 MPa m1/2 and Vickers hardness of 20.6 ± 0.2 GPa. Furthermore, the nitrogen incorporation effectively reduces the thermal conductivity through intensified lattice distortion and enhanced phonon scattering. The MCC5N5 sample (x = 0.5) displays the thermal conductivity of 11.65 W m−1 K−1 at 373 K and 30.27 W m−1 K−1 at 1373 K. These findings highlight the significant potential of (TiZrNbTa)(C1-xNx) carbonitrides for high-temperature thermal insulation applications.http://www.sciencedirect.com/science/article/pii/S2238785425018691Multi-component carbonitrideMicrostructureMechanical propertiesThermophysical properties |
| spellingShingle | Ming Li Wen Zhang Ziheng Chen Fangwang Fu Jinyong Zhang Lin Ren Fan Zhang Weimin Wang Zhengyi Fu Microstructural evolution, mechanical and thermophysical properties of (TiZrNbTa)(C1-xNx) multi-component carbonitrides Journal of Materials Research and Technology Multi-component carbonitride Microstructure Mechanical properties Thermophysical properties |
| title | Microstructural evolution, mechanical and thermophysical properties of (TiZrNbTa)(C1-xNx) multi-component carbonitrides |
| title_full | Microstructural evolution, mechanical and thermophysical properties of (TiZrNbTa)(C1-xNx) multi-component carbonitrides |
| title_fullStr | Microstructural evolution, mechanical and thermophysical properties of (TiZrNbTa)(C1-xNx) multi-component carbonitrides |
| title_full_unstemmed | Microstructural evolution, mechanical and thermophysical properties of (TiZrNbTa)(C1-xNx) multi-component carbonitrides |
| title_short | Microstructural evolution, mechanical and thermophysical properties of (TiZrNbTa)(C1-xNx) multi-component carbonitrides |
| title_sort | microstructural evolution mechanical and thermophysical properties of tizrnbta c1 xnx multi component carbonitrides |
| topic | Multi-component carbonitride Microstructure Mechanical properties Thermophysical properties |
| url | http://www.sciencedirect.com/science/article/pii/S2238785425018691 |
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