Effects of Rare Earth Oxide on Properties of Regenerated YG8 Cemented Carbides AITranslate
Abstract AITranslate
Using WC-Co powder recycled by zinc melting method as raw material,the regenerated YG8 cemented carbides with different content of Y2O3 and Nd2O3were prepared through conventional cemented carbide production process,and their density,hardness,bending strength and fracture morphology were detected and analyzed to investigate the strengthening mechanism of rare earth oxide for cemented carbides.The results show that the cobalt magnetization value of the cemented carbide added with Y2O3 increases,while that of the cemented carbide added with Nd2O3 decreases.The effect of Y2O3 and Nd2O3 on the density and hardness of cemented carbides is not significant.When the amount of Y2O3 and Nd2O3 is 0.5%,the hardness reaches the maximum,which is 89.5 HRA and 89.3 HRA,respectively.The bending strength is improved significantly with the increase of rare earth oxide content.The bending strength of the cemented carbides with 0.7% Y2O3 and 0.7% Nd2O3 is 2 200 MPa and 2 102.8 MPa,increased by 22.2% and 16.8% compared with the regenerated YG8 cemented carbide without rare earth oxide.The proportion of fine grains in the cemented carbide added with Y2O3 is larger,the coarse WC grains are refined to a greater degree and the distribution is more uniform,and the dimple morphology is more obvious and more concentrated.
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Basic Information:
DOI：
Chinese Library Classification Number:TB331[一般工业技术—材料科学与工程]
Citation Information:
Using WC-Co powder recycled by zinc melting method as raw material,the regenerated YG8 cemented carbides with different content of Y2O3 and Nd2O3were prepared through conventional cemented carbide production process,and their density,hardness,bending strength and fracture morphology were detected and analyzed to investigate the strengthening mechanism of rare earth oxide for cemented carbides.The results show that the cobalt magnetization value of the cemented carbide added with Y2O3 increases,while that of the cemented carbide added with Nd2O3 decreases.The effect of Y2O3 and Nd2O3 on the density and hardness of cemented carbides is not significant.When the amount of Y2O3 and Nd2O3 is 0.5%,the hardness reaches the maximum,which is 89.5 HRA and 89.3 HRA,respectively.The bending strength is improved significantly with the increase of rare earth oxide content.The bending strength of the cemented carbides with 0.7% Y2O3 and 0.7% Nd2O3 is 2 200 MPa and 2 102.8 MPa,increased by 22.2% and 16.8% compared with the regenerated YG8 cemented carbide without rare earth oxide.The proportion of fine grains in the cemented carbide added with Y2O3 is larger,the coarse WC grains are refined to a greater degree and the distribution is more uniform,and the dimple morphology is more obvious and more concentrated.
quote
| GB/T 7714-2015 | [1] HU Dong-mei, DU Jin, WANG Yi-fei, et al. Effects of Rare Earth Oxide on Properties of Regenerated YG8 Cemented Carbides[J]. Rare Metals and Cemented Carbides, 2020(2): 69-74. |
| MLA | [1] HU Dong-mei, et al., "Effects of Rare Earth Oxide on Properties of Regenerated YG8 Cemented Carbides." Rare Metals and Cemented Carbides, no. 2, 2020, pp. 69-74. |
| APA | [1] HU Dong-mei, DU Jin, WANG Yi-fei, ZHANG Chong-yan, SU Guo-sheng, ZHANG Jing-jie, & SUN Yu-jing. (2020). Effects of Rare Earth Oxide on Properties of Regenerated YG8 Cemented Carbides. Rare Metals and Cemented Carbides(2), 69-74. |
| IEEE | [1] HU Dong-mei, DU Jin, WANG Yi-fei, ZHANG Chong-yan, SU Guo-sheng, ZHANG Jing-jie, and SUN Yu-jing, "Effects of Rare Earth Oxide on Properties of Regenerated YG8 Cemented Carbides," Rare Metals and Cemented Carbides, no. 2, pp. 69-74, 2020. keywords: {zinc melting method;YG8 cemented carbide;Y2O3;Nd2O3;property} |