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钴粉形貌对聚晶金刚石复合片性能的影响

宋晨杰 魏文亮 汪锦杰 李治海 司治华 刘风琴 黄凯

宋晨杰, 魏文亮, 汪锦杰, 李治海, 司治华, 刘风琴, 黄凯. 钴粉形貌对聚晶金刚石复合片性能的影响[J]. 金刚石与磨料磨具工程, 2023, 43(4): 489-496. doi: 10.13394/j.cnki.jgszz.2022.0216
引用本文: 宋晨杰, 魏文亮, 汪锦杰, 李治海, 司治华, 刘风琴, 黄凯. 钴粉形貌对聚晶金刚石复合片性能的影响[J]. 金刚石与磨料磨具工程, 2023, 43(4): 489-496. doi: 10.13394/j.cnki.jgszz.2022.0216
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

钴粉形貌对聚晶金刚石复合片性能的影响

doi: 10.13394/j.cnki.jgszz.2022.0216
详细信息
    作者简介:

    宋晨杰,女,1995年生,硕士研究生。主要研究方向:材料冶金。E-mail:1797013800@qq.com

    通讯作者:

    李治海,男,1984年生,硕士。主要研究方向:超硬材料。E-mail:lizhihairen@163.com

    黄凯,男,1974年生,博士、副教授。主要研究方向:有色金属冶金。E-mail:khuang@metall.ustb.edu.cn

  • 中图分类号: TQ164; TQ163

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

  • 摘要: 选用类球形和晶须状的团聚钴粉(团聚粒度相近),外掺到金刚石微粉中,经过超高压高温(HPHT)合成聚晶金刚石复合片(PDC),研究钴粉形貌特征对PDC性能的影响。研究发现:2种形貌的钴粉在微观形状、孔隙度、磁性能、结晶性等物理特征方面具有显著差异;用其合成的PDC样品,在界面结合形态、界面WC异常长大情况、抗冲击强度、耐磨性等方面,差异明显,类球形钴粉合成的PDC明显比晶须状钴粉合成的PDC具有更好的综合性能。

     

  • 图  1  不同形貌钴粉的性能

    Figure  1.  Properties of cobalt powders with different morphologies

    图  2  PDC聚晶层的XRD图谱及其界面上X射线透射成像结果

    Figure  2.  XRD pattern of polycrystalline layer of PDC and X-ray transmission imaging results on its interface

    图  3  PDC的聚晶层和WC硬质合金的SEM

    Figure  3.  SEM of polycrystalline layers of PDC and WC cemented carbide

    图  4  PDC界面处的SEM

    Figure  4.  SEM of PDC interface

    图  5  抗冲击性能对比结果

    Figure  5.  Comparison results of impact resistance

    图  6  PDC界面附近的能谱成分分布曲线

    Figure  6.  Energy spectrum composition distribution curve near PDC interface synthesized

    图  7  外掺2种形貌钴粉对PDC耐磨性的影响

    Figure  7.  Effect of adding cobalt powder with two morphologies on wear resistance of PDC

    表  1  冲击韧性试验

    Table  1.   Impact toughness test results

    样品冲击次数n1总冲击力 / J
    30 J40 J50 J
    i110103850
    i21010101 200
    i31010101 200
    i4101061 000
    i5101071 050
    i61010101 200
    下载: 导出CSV
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出版历程
  • 收稿日期:  2022-12-12
  • 修回日期:  2023-02-25
  • 录用日期:  2023-03-15
  • 刊出日期:  2023-08-30

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