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十二烷基苯磺酸钠对陶瓷结合剂及金刚石分散性的影响

刘一波 孔帅斐 栗正新 徐强 陈春晖

刘一波, 孔帅斐, 栗正新, 徐强, 陈春晖. 十二烷基苯磺酸钠对陶瓷结合剂及金刚石分散性的影响[J]. 金刚石与磨料磨具工程, 2022, 42(2): 174-179. doi: 10.13394/j.cnki.jgszz.2021.0111
引用本文: 刘一波, 孔帅斐, 栗正新, 徐强, 陈春晖. 十二烷基苯磺酸钠对陶瓷结合剂及金刚石分散性的影响[J]. 金刚石与磨料磨具工程, 2022, 42(2): 174-179. doi: 10.13394/j.cnki.jgszz.2021.0111
LIU Yibo, KONG Shuaifei, LI Zhengxin, XU Qiang, CHEN Chunhui. Effect of sodium dodecyl benzene sulfonate on vitrified bond and dispersion of diamond[J]. Diamond & Abrasives Engineering, 2022, 42(2): 174-179. doi: 10.13394/j.cnki.jgszz.2021.0111
Citation: LIU Yibo, KONG Shuaifei, LI Zhengxin, XU Qiang, CHEN Chunhui. Effect of sodium dodecyl benzene sulfonate on vitrified bond and dispersion of diamond[J]. Diamond & Abrasives Engineering, 2022, 42(2): 174-179. doi: 10.13394/j.cnki.jgszz.2021.0111

十二烷基苯磺酸钠对陶瓷结合剂及金刚石分散性的影响

doi: 10.13394/j.cnki.jgszz.2021.0111
详细信息
    作者简介:

    孔帅斐,男,1992年生,博士研究生。主要研究方向:磁控溅射制备刀具涂层,CVD制备金刚石薄膜,精密磨削。E-mail:2432191848@qq.com

    通讯作者:

    刘一波,男,1966年生,教授级高工。主要研究方向:超硬材料及粉末冶金制品。E-mail:liuyibo@gangyan-diamond.com

  • 中图分类号: TQ164; TQ174.1; O647

Effect of sodium dodecyl benzene sulfonate on vitrified bond and dispersion of diamond

  • 摘要: 采用溶胶–凝胶法制备陶瓷结合剂粉末和陶瓷结合剂/金刚石混合粉末以及相应的块体材料。研究分散剂(十二烷基苯磺酸钠)质量分数为0~4.02%时,其对陶瓷结合剂物相、耐火度、弯曲强度和热膨胀系数等的影响,以及其对M2.5/5金刚石在陶瓷结合剂/金刚石混合粉末中分散性的影响。结果表明:分散剂质量分数为1.34%时,陶瓷结合剂的耐火度、弯曲强度和热膨胀系数与未添加分散剂时相比未发生明显变化,其中耐火度为700 ℃、弯曲强度为45 MPa 、热膨胀系数为4.3×10−6−1;当分散剂的质量分数从1.34%增加至4.02%时,陶瓷结合剂的耐火度降至600 ℃,弯曲强度降至28 MPa,热膨胀系数增至7.5×10−6−1;分散剂质量分数为1.34%时,M2.5/5金刚石均匀分散在陶瓷结合剂/金刚石复合材料中,且未引起复合材料的性能变化。

     

  • 图  1  不同质量分数分散剂陶瓷结合剂的XRD图谱

    Figure  1.  XRD patterns of vitrified bond with different mass fractions of dispersant

    图  2  不同质量分数分散剂陶瓷结合剂的烧结性能

    Figure  2.  Sintering properties of vitrified bond with different mass fractions of dispersant

    图  3  不同质量分数分散剂陶瓷结合剂煅烧后的红外光谱

    Figure  3.  Infrared spectra of samples calcined with different mass fractions of dispersant

    图  4  不同质量分数分散剂陶瓷粉末的热膨胀系数变化

    Figure  4.  Thermal expansion coefficient of vitrified bond with different mass fractions of dispersant

    图  5  不同质量分数分散剂和11.11%质量分数金刚石制备样品的截面SEM图

    Figure  5.  SEM patterns of polished sintered samples with different mass fractions of dispersant and 11.11% diamond

    表  1  试验用原材料组分

    Table  1.   Components of starting materials utilized in the experiment

    组分质量分数 wt / %
    SiO272.22
    B2O32.78
    Na2O5.56
    Al2O38.33
    金刚石11.11,0
    十二烷基苯磺酸钠0,0.67,1.34,2.68,4.02
    下载: 导出CSV

    表  2  不同质量分数分散剂制备陶瓷结合剂样条的硬度和密度

    Table  2.   Hardness and density of vitrified bonds with different mass fractions of dispersant

    分散剂质量分数 w / %洛氏硬度 HRC密度 ρ / (g·cm−3)
    083.22.25
    0.6785.82.22
    1.3478.12.21
    2.6840.31.22
    4.0228.4< 1.00
    下载: 导出CSV
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出版历程
  • 收稿日期:  2021-10-30
  • 修回日期:  2021-12-04
  • 刊出日期:  2022-05-27

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