Determination of microstructure and mechanical properties of ceramics bonded tungsten carbide doped with hybrid graphene/SiCw
Binderless tungsten carbide possesses superior wear/oxidation/corrosion resistance, high-temperature performance and polishing characteristics in comparison with traditional WC-Co cemented carbide. However, the poor sinterability coupled with intrinsic brittleness has become the twin problem restric...
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| Format: | Article |
| Language: | English |
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Elsevier
2024-03-01
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| Series: | Journal of Materials Research and Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2238785424002217 |
| _version_ | 1827310802872303616 |
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| author | Jialin Sun Xiao Li Le Zhao Xialun Yun Jun Zhao |
| author_facet | Jialin Sun Xiao Li Le Zhao Xialun Yun Jun Zhao |
| author_sort | Jialin Sun |
| collection | DOAJ |
| description | Binderless tungsten carbide possesses superior wear/oxidation/corrosion resistance, high-temperature performance and polishing characteristics in comparison with traditional WC-Co cemented carbide. However, the poor sinterability coupled with intrinsic brittleness has become the twin problem restricting the development of binderless tungsten carbide especially for application specifically at the harsh conditions. Herein, we systemically investigated the effects of hybrid carbide and oxide ceramic binder, SiC whisker and graphene on the densification, microstructure evolution and mechanical properties of tungsten carbide prepared through two-step spark plasma sintering. These results demonstrate that ceramic binder together with SiC whisker performed effectively on improving the densification of WC, while graphene was the optimum reinforcement for WC-SiCw based nanocomposites. Excellent mechanical properties were achieved for SG0.15 samples with a hardness of 23.21 GPa, a flexural strength of 1207.2 MPa as well as a SENB fracture toughness of 10.66 MPa m1/2. This study could provide reference to develop high-performance binderless tungsten carbide matrix composites, further advancing the application of binderless tungsten carbide. |
| first_indexed | 2024-03-08T10:14:46Z |
| format | Article |
| id | doaj.art-9466ac1fd23c48ffb0e90592c28ac413 |
| institution | Directory Open Access Journal |
| issn | 2238-7854 |
| language | English |
| last_indexed | 2024-04-24T20:05:48Z |
| publishDate | 2024-03-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materials Research and Technology |
| spelling | doaj.art-9466ac1fd23c48ffb0e90592c28ac4132024-03-24T06:57:40ZengElsevierJournal of Materials Research and Technology2238-78542024-03-012913131320Determination of microstructure and mechanical properties of ceramics bonded tungsten carbide doped with hybrid graphene/SiCwJialin Sun0Xiao Li1Le Zhao2Xialun Yun3Jun Zhao4School of Mechanical, Electrical & Information Engineering, Shandong University, Weihai 264209, China; Shenzhen Research Institute of Shandong University, Shenzhen 518057, China; State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China; Corresponding author. School of Mechanical, Electrical & Information Engineering, Shandong University, Weihai 264209, China.Weihai Weiying Tool Co., Ltd., Weihai 264210, ChinaWeihai Weiying Tool Co., Ltd., Weihai 264210, ChinaState Key Laboratory for Manufacturing System Engineering, School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, 710049, China; Corresponding author.Key Laboratory of High Efficiency and Clean Mechanical Manufacture of MOE, School of Mechanical Engineering, Shandong University, Jinan 250061, ChinaBinderless tungsten carbide possesses superior wear/oxidation/corrosion resistance, high-temperature performance and polishing characteristics in comparison with traditional WC-Co cemented carbide. However, the poor sinterability coupled with intrinsic brittleness has become the twin problem restricting the development of binderless tungsten carbide especially for application specifically at the harsh conditions. Herein, we systemically investigated the effects of hybrid carbide and oxide ceramic binder, SiC whisker and graphene on the densification, microstructure evolution and mechanical properties of tungsten carbide prepared through two-step spark plasma sintering. These results demonstrate that ceramic binder together with SiC whisker performed effectively on improving the densification of WC, while graphene was the optimum reinforcement for WC-SiCw based nanocomposites. Excellent mechanical properties were achieved for SG0.15 samples with a hardness of 23.21 GPa, a flexural strength of 1207.2 MPa as well as a SENB fracture toughness of 10.66 MPa m1/2. This study could provide reference to develop high-performance binderless tungsten carbide matrix composites, further advancing the application of binderless tungsten carbide.http://www.sciencedirect.com/science/article/pii/S2238785424002217Tungsten carbideCeramic binderSiC whiskerGrapheneMechanical properties |
| spellingShingle | Jialin Sun Xiao Li Le Zhao Xialun Yun Jun Zhao Determination of microstructure and mechanical properties of ceramics bonded tungsten carbide doped with hybrid graphene/SiCw Journal of Materials Research and Technology Tungsten carbide Ceramic binder SiC whisker Graphene Mechanical properties |
| title | Determination of microstructure and mechanical properties of ceramics bonded tungsten carbide doped with hybrid graphene/SiCw |
| title_full | Determination of microstructure and mechanical properties of ceramics bonded tungsten carbide doped with hybrid graphene/SiCw |
| title_fullStr | Determination of microstructure and mechanical properties of ceramics bonded tungsten carbide doped with hybrid graphene/SiCw |
| title_full_unstemmed | Determination of microstructure and mechanical properties of ceramics bonded tungsten carbide doped with hybrid graphene/SiCw |
| title_short | Determination of microstructure and mechanical properties of ceramics bonded tungsten carbide doped with hybrid graphene/SiCw |
| title_sort | determination of microstructure and mechanical properties of ceramics bonded tungsten carbide doped with hybrid graphene sicw |
| topic | Tungsten carbide Ceramic binder SiC whisker Graphene Mechanical properties |
| url | http://www.sciencedirect.com/science/article/pii/S2238785424002217 |
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