CN 41-1243/TG ISSN 1006-852X
Volume 42 Issue 1
Mar.  2022
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ZHANG Xianghong, WANG Yanhui, ZANG Jianbing, ZHANG Jinhui. Preparing and characterizing Cr-coated diamond through one pot reaction in a vacuum reactor[J]. Diamond & Abrasives Engineering, 2022, 42(1): 56-60. doi: 10.13394/j.cnki.jgszz.2021.0100
Citation: ZHANG Xianghong, WANG Yanhui, ZANG Jianbing, ZHANG Jinhui. Preparing and characterizing Cr-coated diamond through one pot reaction in a vacuum reactor[J]. Diamond & Abrasives Engineering, 2022, 42(1): 56-60. doi: 10.13394/j.cnki.jgszz.2021.0100

Preparing and characterizing Cr-coated diamond through one pot reaction in a vacuum reactor

doi: 10.13394/j.cnki.jgszz.2021.0100
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  • Received Date: 2021-09-24
  • Accepted Date: 2021-12-15
  • Rev Recd Date: 2022-01-26
  • Available Online: 2022-03-17
  • Cr-coated diamonds with different coating weight gains were prepared by one pot reaction in a vacuum reactor, and the crystal phases and the thickness of the coatings were identified and analyzed. The results showed that the coating thickness varied with the temperatures and the holding time during coating. The crystal phases of the coating were related to the coating weight gains, which means that there appeared only Cr3C2 with 10% coating weight gain but Cr7C3 with 20% coating weight gain. It is also found that from the diamond surface to the Cr coating, the crystal phases are gradually transited from Cr3C2 to Cr7C3. For diamond with a certain particle size, there was a certain correspondence between the coating thickness and the coating weight gains. For example, when the coating thickness of the Cr-coated diamonds with 10% weight gains was 0.77 μm and that of diamonds with 65% coating was 4.76 μm, which was consistent with the SEM results.

     

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