Experimental Research on the Composite Material of Nano-Al_2O_3/Cemented Carbide AITranslate
Abstract AITranslate
Adding nano-Al2O3 into WC-Co substrate may be useful to enhance the performance of cemented carbides.Based on the above view,the mechanical properties,wear and shock resistance,and microstructure of the composite material of nano-Al2O3/cemented carbide with different formula were investigated.The results show that adding proper nano-Al2O3 not only refines alloy grains,and improves microstructure uniformity and wear resistance of the composite material,but also enhances the strength of WC grain boundary,which plays a role of strengthening and toughening and results in fracture form shift from intergranular fracture to transgranular fracture of the composite material.Meanwhile,adding rare earth also improves the comprehensive performance of the composite material.Drill teeth made with the nano-composite materials are assembled into a drill bit that is then tested in situ.Compared with the drill bit assembled with cemented carbide drill teeth,the above drill bit is of 20% higher rock breaking efficiency and 80% longer service life.
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Basic Information:
DOI：
Chinese Library Classification Number:TF125.3[冶金工程—粉末冶金]
Citation Information:
Adding nano-Al2O3 into WC-Co substrate may be useful to enhance the performance of cemented carbides.Based on the above view,the mechanical properties,wear and shock resistance,and microstructure of the composite material of nano-Al2O3/cemented carbide with different formula were investigated.The results show that adding proper nano-Al2O3 not only refines alloy grains,and improves microstructure uniformity and wear resistance of the composite material,but also enhances the strength of WC grain boundary,which plays a role of strengthening and toughening and results in fracture form shift from intergranular fracture to transgranular fracture of the composite material.Meanwhile,adding rare earth also improves the comprehensive performance of the composite material.Drill teeth made with the nano-composite materials are assembled into a drill bit that is then tested in situ.Compared with the drill bit assembled with cemented carbide drill teeth,the above drill bit is of 20% higher rock breaking efficiency and 80% longer service life.
quote
| GB/T 7714-2015 | [1] HUANG Zhi-qiang, LI Wei, LI Qin, et al. Experimental Research on the Composite Material of Nano-Al_2O_3/Cemented Carbide[J]. Rare Metals and Cemented Carbides, 2011(1): 61-65. |
| MLA | [1] HUANG Zhi-qiang, et al., "Experimental Research on the Composite Material of Nano-Al_2O_3/Cemented Carbide." Rare Metals and Cemented Carbides, no. 1, 2011, pp. 61-65. |
| APA | [1] HUANG Zhi-qiang, LI Wei, LI Qin, GUO En-hong, & QIU Cheng-song. (2011). Experimental Research on the Composite Material of Nano-Al_2O_3/Cemented Carbide. Rare Metals and Cemented Carbides(1), 61-65. |
| IEEE | [1] HUANG Zhi-qiang, LI Wei, LI Qin, GUO En-hong, and QIU Cheng-song, "Experimental Research on the Composite Material of Nano-Al_2O_3/Cemented Carbide," Rare Metals and Cemented Carbides, no. 1, pp. 61-65, 2011. keywords: {WC;nano-Al2O3;wear resistance;strengthening and toughening;microstructure} |