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Volume 17 Issue 2
Jul.  2021
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Li Qiaoshen, Xie Zhiwei, Li Yuyu, Chen Haiyan, Deng Aiguo. STUDY OF COMPRESSION PROCESS OF NANOSIZED WC-Co HARDMETAL POWDER[J]. Powder Metallurgy Technology, 1999, 17(2): 94-98.
Citation: Li Qiaoshen, Xie Zhiwei, Li Yuyu, Chen Haiyan, Deng Aiguo. STUDY OF COMPRESSION PROCESS OF NANOSIZED WC-Co HARDMETAL POWDER[J]. Powder Metallurgy Technology, 1999, 17(2): 94-98.
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STUDY OF COMPRESSION PROCESS OF NANOSIZED WC-Co HARDMETAL POWDER

  • Department of Materials Science and Engineering, Guodong University of Technology, Guozhou 510080

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  • Received Date: September 26, 1998
  • Available Online: July 19, 2021
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    • Abstract
  • Nanosized WC-Co hardmetal powder prepared by attrition mill method (mechanical alloying) is compacted by die pressing. A preliminary study has been performed regarding to the relation between powder green density and pressing pressure, which is compared with microsized WC-Co powder. The results show that green density of nanosized powder is lower than that of microsized powder. Green density of nanosized powder decreases with the increase of milling time. VC in nanosized powder makes green density decrease. In compression equation, m of nanosized powder is lower than that of microsized powder, and die pressing factor of nanosized powder is much higher than that of microsized powder.
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