Effect of Proportion of Coarse and Fine WC Particles on Mechanical Properties and Microstructure of Bi-crystallinity Cemented Carbides AITranslate
Abstract AITranslate
WC-8% Co bi-crystallinity cemented carbide was prepared with different proportion of coarse and fine WC particles.The mechanical properties and microstructure were studied by observing the metallographic microstructure of the alloy and comparing the physical and mechanical properties such as hardness(HRA),coercive force(Hc),bending strength(TRS)and fracture toughness(KIC).The results show that the proportion of coarse and fine WC particles and the size of WC grains are the important factors to improve the mechanical properties and microstructure of the inhomogeneous structure alloy.Based on proportion optimization,the bi-crystallinity cemented carbide with good mechanical properties can be prepared by adding 21%~24%coarse WC particles.With the increase of the ratio of coarse WC particles in the alloy,HRA and Hcslightly decrease,KICincreases from 14MPa·m^1/2 to 19.7MPa·m^1/2,and TRS increases at first and then decreases,with a maximum value of 3498MPa.
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Basic Information:
DOI：
Chinese Library Classification Number:TG135.5[一般工业技术—材料科学与工程]
Citation Information:
WC-8% Co bi-crystallinity cemented carbide was prepared with different proportion of coarse and fine WC particles.The mechanical properties and microstructure were studied by observing the metallographic microstructure of the alloy and comparing the physical and mechanical properties such as hardness(HRA),coercive force(Hc),bending strength(TRS)and fracture toughness(KIC).The results show that the proportion of coarse and fine WC particles and the size of WC grains are the important factors to improve the mechanical properties and microstructure of the inhomogeneous structure alloy.Based on proportion optimization,the bi-crystallinity cemented carbide with good mechanical properties can be prepared by adding 21%~24%coarse WC particles.With the increase of the ratio of coarse WC particles in the alloy,HRA and Hcslightly decrease,KICincreases from 14MPa·m^1/2 to 19.7MPa·m^1/2,and TRS increases at first and then decreases,with a maximum value of 3498MPa.
quote
| GB/T 7714-2015 | [1] ZHENG Qing-hong, LIU Jiang, SHI Kai-hua, et al. Effect of Proportion of Coarse and Fine WC Particles on Mechanical Properties and Microstructure of Bi-crystallinity Cemented Carbides[J]. Rare Metals and Cemented Carbides, 2020(1): 75-79. |
| MLA | [1] ZHENG Qing-hong, et al., "Effect of Proportion of Coarse and Fine WC Particles on Mechanical Properties and Microstructure of Bi-crystallinity Cemented Carbides." Rare Metals and Cemented Carbides, no. 1, 2020, pp. 75-79. |
| APA | [1] ZHENG Qing-hong, LIU Jiang, SHI Kai-hua, & HUANG Wei. (2020). Effect of Proportion of Coarse and Fine WC Particles on Mechanical Properties and Microstructure of Bi-crystallinity Cemented Carbides. Rare Metals and Cemented Carbides(1), 75-79. |
| IEEE | [1] ZHENG Qing-hong, LIU Jiang, SHI Kai-hua, and HUANG Wei, "Effect of Proportion of Coarse and Fine WC Particles on Mechanical Properties and Microstructure of Bi-crystallinity Cemented Carbides," Rare Metals and Cemented Carbides, no. 1, pp. 75-79, 2020. keywords: {WC-8%Co;coarse and fine WC particle;bi-crystallinity;microstructure;mechanical property} |