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Volume 30 Issue 5
Aug 2016
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Chinese Journal of High Pressure Physics  > 2016  >  30(5): 363-368.
LI Yong, XU Hui-Wen, ZHANG Jie, JIN Hui, DENG Tao, JIA Xiao-Peng. Effects of Pressure on the Sintering Properties of PCBN Composite and Sintering Mechanism[J]. Chinese Journal of High Pressure Physics, 2016, 30(5): 363-368. doi: 10.11858/gywlxb.2016.05.003
Citation: LI Yong, XU Hui-Wen, ZHANG Jie, JIN Hui, DENG Tao, JIA Xiao-Peng. Effects of Pressure on the Sintering Properties of PCBN Composite and Sintering Mechanism[J]. Chinese Journal of High Pressure Physics, 2016, 30(5): 363-368. doi: 10.11858/gywlxb.2016.05.003
shu

Effects of Pressure on the Sintering Properties of PCBN Composite and Sintering Mechanism

doi: 10.11858/gywlxb.2016.05.003
  • 1.

    College of Physics and Electronic Engineering, Tongren University, Tongren 554300, China

  • 2.

    Taiyuan Railway Transportation Equipment Co., Ltd., Taiyuan 030001, China

  • 3.

    State Key Laboratory of Superhard Materials, Jilin University, Changchun 130012, China

  • Received Date: 20 Oct 2015
  • Rev Recd Date: 14 Jan 2016
    Abstract
  • The effects of pressure on the density, particles morphology and abrasion resistance of polycrystalline cubic boron nitride (PCBN) composite were investigated in detail using the melt infiltration method with cemented carbide under high pressure and high temperature conditions.The measured results show that the density and the abrasion resistance of the PCBN composite are enhanced along with the increase of the synthesis pressure.Furthermore, the interface between WC and cBN was characterized using scanning electron microscope (SEM) and energy dispersive spectrometer (EDS).The results indicate that the elements of WC and cBN interpenetrate each other and generate a transition layer which enables the polycrystalline cBN to bond firmly to the WC substrate.

     

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