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| Comparative study on properties of ultrafine cemented carbide raw materials |
| ZHU Ertao1，ZHANG Jiuxing1，YANG Xinyu1，PAN Yafei1，YANG Jiangao2 |
| 1School of Materials Science and Engineering，Hefei University of Technology，Hefei 230009，China；
2Advanced Corporation for Materials & Equipment，Changsha 410118，China |
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Abstract Using XRD，SEM，ICP and Laser Particle Size Meter to compare the phase，grain size，composition
and particle size of WC and WC-6Co composite powder，the results show that：the phase purity，grain size uniformity
and impurity element content are different，the WC-6Co composite powder grain size is 0.2 μm. While compare
the production process，producing method and properties，the results show that：WC-6Co composite powder
has shorter production process，more simple equipment and more homogenous element distribution. WC-6Co composite
powder has higher hardness and less strength than the WC and Co powder mixture.
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Received: 21 October 2019
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Corresponding Authors:
张久兴（1962—），男，教授，博士生导师，主要研究方向为新型功能材料及其制备技术。
E-mail: 827731539@qq.com
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2020, Vol. 30 
