CN 41-1243/TG ISSN 1006-852X
Volume 43 Issue 4
Aug.  2023
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SONG Chenjie, WEI Wenliang, WANG Jinjie, LI Zhihai, SI Zhihua, LIU Fengqin, HUANG Kai. Effect of cobalt particle morphology on the properties of polycrystalline diamond composite[J]. Diamond & Abrasives Engineering, 2023, 43(4): 489-496. doi: 10.13394/j.cnki.jgszz.2022.0216
Citation: SONG Chenjie, WEI Wenliang, WANG Jinjie, LI Zhihai, SI Zhihua, LIU Fengqin, HUANG Kai. Effect of cobalt particle morphology on the properties of polycrystalline diamond composite[J]. Diamond & Abrasives Engineering, 2023, 43(4): 489-496. doi: 10.13394/j.cnki.jgszz.2022.0216

Effect of cobalt particle morphology on the properties of polycrystalline diamond composite

doi: 10.13394/j.cnki.jgszz.2022.0216
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  • Received Date: 2022-12-12
  • Accepted Date: 2023-03-15
  • Rev Recd Date: 2023-02-25
  • Spherical and whisker-like cobalt particles were doped into the diamond powders to synthesize the PDC compacts under the HPHT conditions, to investigate the effect of their morphology on the properties of PDC. It was found that the two morphologies of cobalt powder have significant differences in physical characteristics, such as microstructure, porosity, magnetic properties, and crystallinity. When they were used to synthesize PDC samples, it was found that there were noticeable differences in interface bonding morphology, abnormal growth of interface WC, impact strength, and wear resistance. PDC synthesized with spherical cobalt powder had better comprehensive performance than PDC synthesized with whisker-like cobalt powder.


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