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Chinese Journal of High Pressure Physics  > 2002  >  16(3): 227-230 .
WANG Xian-Cheng, ZHANG Tie-Chen, JIA Xiao-Peng, ZOU Guang-Tian. The Effect of MgO on Growth of cBN in the Mg-hBN System[J]. Chinese Journal of High Pressure Physics, 2002, 16(3): 227-230 . doi: 10.11858/gywlxb.2002.03.012
Citation: WANG Xian-Cheng, ZHANG Tie-Chen, JIA Xiao-Peng, ZOU Guang-Tian. The Effect of MgO on Growth of cBN in the Mg-hBN System[J]. Chinese Journal of High Pressure Physics, 2002, 16(3): 227-230 . doi: 10.11858/gywlxb.2002.03.012
shu

The Effect of MgO on Growth of cBN in the Mg-hBN System

doi: 10.11858/gywlxb.2002.03.012

  • National Laboratory of Superhard Materials, Jilin University, Changchun 130023, China

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  • Corresponding author: WANG Xian-Cheng
  • Received Date: 17 Jan 2002
  • Rev Recd Date: 28 Feb 2002
  • Publish Date: 05 Sep 2002
    Abstract
  • In this paper, we report a method with which yellow cBN crystals are synthesized successfully. hBN is used as raw material and magnesium powder as catalyzer. MgO is added appropriately at high pressure (5.0 GPa) and high temperature (1 500～1 800 K) with cubic anvil high-pressure apparatus. The synthesized crystals are of perfect shape and uniform color. The synthesis temperature of the cBN is reduced due to the existence of MgO.

     

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