Effects of Carbon Content on WC Grain Growth Activation Energy of WC-6Co Ultrafine Cemented Carbides AITranslate
Abstract AITranslate
WC-6Co ultrafine cemented carbides were prepared at different sintering temperature and using the mixtures with different total carbon content （6.11%,6.13%,6.15%,6.17%, 6.19%, 6.21%,6.23% and 6.25%）. The magnetic properties and microstructure of the samples were analyzed, and the effects were studied of carbon content on WC grain growth activation energy of WC-6Co cemented carbides. The results show that with the increase of total carbon content,cobalt magnetism （Com） of the alloy sample is also gradually increased. For WC-6Co sintered at different temperature, corecive force （He） firstly increa- ses and then decreases,and WC grain size decreases at first and then increases with the increase of Com. When the Corn value is about 5 %, Hc reaches the maximum and WC grain size reaches the minimum. WC grain growth activation energy firstly increases and then decreases with Com increasing, and reaches the maximum when Corn is about 5.2%. With the increase of carbon content in a low range,more （Crx ,Vy）Cx carbide （a grain growth inhibitor） is generated on the WC grain surface. But with the further increase of carbon content,the production amount of （Crx, Vy）Cz carbide has reached the extreme value, while the temperature for generating liquid phase further declines and liquid volume dramatically increases, resulting in decreased WC grain growth activation energy.
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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-6Co ultrafine cemented carbides were prepared at different sintering temperature and using the mixtures with different total carbon content （6.11%,6.13%,6.15%,6.17%, 6.19%, 6.21%,6.23% and 6.25%）. The magnetic properties and microstructure of the samples were analyzed, and the effects were studied of carbon content on WC grain growth activation energy of WC-6Co cemented carbides. The results show that with the increase of total carbon content,cobalt magnetism （Com） of the alloy sample is also gradually increased. For WC-6Co sintered at different temperature, corecive force （He） firstly increa- ses and then decreases,and WC grain size decreases at first and then increases with the increase of Com. When the Corn value is about 5 %, Hc reaches the maximum and WC grain size reaches the minimum. WC grain growth activation energy firstly increases and then decreases with Com increasing, and reaches the maximum when Corn is about 5.2%. With the increase of carbon content in a low range,more （Crx ,Vy）Cx carbide （a grain growth inhibitor） is generated on the WC grain surface. But with the further increase of carbon content,the production amount of （Crx, Vy）Cz carbide has reached the extreme value, while the temperature for generating liquid phase further declines and liquid volume dramatically increases, resulting in decreased WC grain growth activation energy.
quote
| GB/T 7714-2015 | [1] HUANG Tian-zhen, WU En-xi, LI Yong-xia, et al. Effects of Carbon Content on WC Grain Growth Activation Energy of WC-6Co Ultrafine Cemented Carbides[J]. Rare Metals and Cemented Carbides, 2017(5): 57-62. |
| MLA | [1] HUANG Tian-zhen, et al., "Effects of Carbon Content on WC Grain Growth Activation Energy of WC-6Co Ultrafine Cemented Carbides." Rare Metals and Cemented Carbides, no. 5, 2017, pp. 57-62. |
| APA | [1] HUANG Tian-zhen, WU En-xi, LI Yong-xia, ZOU Dan, & XIE Yuan-yan. (2017). Effects of Carbon Content on WC Grain Growth Activation Energy of WC-6Co Ultrafine Cemented Carbides. Rare Metals and Cemented Carbides(5), 57-62. |
| IEEE | [1] HUANG Tian-zhen, WU En-xi, LI Yong-xia, ZOU Dan, and XIE Yuan-yan, "Effects of Carbon Content on WC Grain Growth Activation Energy of WC-6Co Ultrafine Cemented Carbides," Rare Metals and Cemented Carbides, no. 5, pp. 57-62, 2017. keywords: {ultrafine cemented carbide;WC-6Co;total carbon;Corn;WC grain size;WC grain growth activa-tion energy} |