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Effect of VC addition on preparation and mechanical properties of nanocrystalline WC-Co alloys
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College of Materials Science and Engineering, Beijing University of Technology,College of Materials Science and Engineering, Beijing University of Technology,College of Materials Science and Engineering, Beijing University of Technology,College of Materials Science and Engineering, Beijing University of Technology,College of Materials Science and Engineering, Beijing University of Technology,College of Materials Science and Engineering, Beijing University of Technology

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TF124

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    Abstract:

    VC was added to the raw oxide materials which were synthesized to the nanocrystalline WC-Co composite powder by the in-situ reduction and carbonization process. The nanocrystalline WC-Co alloys were fabricated by the spark plasma sintering technique using the prepared WC-Co composite powder. The phase constitution microstructure characteristics and mechanical properties of the sintered cemented carbides were analyzed. The study proposed that VC plays a significant role in decrease the grain size of the prepared WC-Co alloy. The nanocrystalline WC-Co alloy with high hardness and good fracture toughness properties can be obtained as the amount of VC addition is appropriate.

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[Liu Xuemei, Wang Haibin, Song Xiaoyan, Wang Yao, Gao Yang, Wang Xilong. Effect of VC addition on preparation and mechanical properties of nanocrystalline WC-Co alloys[J]. Rare Metal Materials and Engineering,2016,45(2):477~481.]
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History
  • Received:March 22,2014
  • Revised:July 17,2014
  • Adopted:August 12,2014
  • Online: July 19,2016
  • Published: