Microstructure and Mechanical Properties of WC-based Ultrafine Grain Cemented Carbide Prepared with TiAl-xCo-Mo-Ni Composite Bonding Phase AITranslate
Abstract AITranslate
WC/Co ultrafine grain cemented carbide is the ideal material for preparing high-performance me-tal cutting tools, but Co is a valuable resource.In order to find the bonding phase to replace Co and prepare WC-based ultrafine grain cemented carbide with excellent performance, using TiAl-xCo-Mo-Ni as the composite bonding phase, WC-based ultrafine grain cemented carbide was prepared by spark plasma sintering(SPS).The effects of SPS temperature and composition of the composite binder phase on the performance and microstructure of the cemented carbide were systematically analyzed.The results show that the ave-rage size of WC grains increases with the increase of sintering temperature, and the density and comprehensive mechanical properties are optimized at 1 400 ℃.When the composition is WC-10%(TiAl-Co-Mo-Ni),the cemented carbide has the highest density and the best comprehensive mechanical properties, and its density, average WC grain size, Vickers hardness and fracture toughness are respectively 98.3%,285 nm, 21.04 GPa and 16.95 MPa·m1/2.
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Basic Information:
DOI：
Chinese Library Classification Number:TF125[冶金工程—粉末冶金];TG135.5[一般工业技术—材料科学与工程]
Citation Information:
WC/Co ultrafine grain cemented carbide is the ideal material for preparing high-performance me-tal cutting tools, but Co is a valuable resource.In order to find the bonding phase to replace Co and prepare WC-based ultrafine grain cemented carbide with excellent performance, using TiAl-xCo-Mo-Ni as the composite bonding phase, WC-based ultrafine grain cemented carbide was prepared by spark plasma sintering(SPS).The effects of SPS temperature and composition of the composite binder phase on the performance and microstructure of the cemented carbide were systematically analyzed.The results show that the ave-rage size of WC grains increases with the increase of sintering temperature, and the density and comprehensive mechanical properties are optimized at 1 400 ℃.When the composition is WC-10%(TiAl-Co-Mo-Ni),the cemented carbide has the highest density and the best comprehensive mechanical properties, and its density, average WC grain size, Vickers hardness and fracture toughness are respectively 98.3%,285 nm, 21.04 GPa and 16.95 MPa·m1/2.
quote
| GB/T 7714-2015 | [1] QIANG Jun-jie, XU Hong-yu, NI Hong, et al. Microstructure and Mechanical Properties of WC-based Ultrafine Grain Cemented Carbide Prepared with TiAl-xCo-Mo-Ni Composite Bonding Phase[J]. Rare Metals and Cemented Carbides, 2021(2): 69-75. |
| MLA | [1] QIANG Jun-jie, et al., "Microstructure and Mechanical Properties of WC-based Ultrafine Grain Cemented Carbide Prepared with TiAl-xCo-Mo-Ni Composite Bonding Phase." Rare Metals and Cemented Carbides, no. 2, 2021, pp. 69-75. |
| APA | [1] QIANG Jun-jie, XU Hong-yu, NI Hong, YU Bin, & WANG Zhen-hua. (2021). Microstructure and Mechanical Properties of WC-based Ultrafine Grain Cemented Carbide Prepared with TiAl-xCo-Mo-Ni Composite Bonding Phase. Rare Metals and Cemented Carbides(2), 69-75. |
| IEEE | [1] QIANG Jun-jie, XU Hong-yu, NI Hong, YU Bin, and WANG Zhen-hua, "Microstructure and Mechanical Properties of WC-based Ultrafine Grain Cemented Carbide Prepared with TiAl-xCo-Mo-Ni Composite Bonding Phase," Rare Metals and Cemented Carbides, no. 2, pp. 69-75, 2021. keywords: {spark plasma sintering;cemented carbide;composite bonding phase;sintering temperature;mechanical property;microstructure} |