爆轰法合成纳米氧化铈粒径的控制

韩志伟 解立峰 邓吉平 王栋 陈际洋 解一超

韩志伟, 解立峰, 邓吉平, 王栋, 陈际洋, 解一超. 爆轰法合成纳米氧化铈粒径的控制[J]. 高压物理学报, 2014, 28(5): 585-590. doi: 10.11858/gywlxb.2014.05.012
引用本文: 韩志伟, 解立峰, 邓吉平, 王栋, 陈际洋, 解一超. 爆轰法合成纳米氧化铈粒径的控制[J]. 高压物理学报, 2014, 28(5): 585-590. doi: 10.11858/gywlxb.2014.05.012
HAN Zhi-Wei, XIE Li-Feng, DENG Ji-Ping, WANG Dong, CHEN Ji-Yang, XIE Yi-Chao. Size-Control of Nanostructured Ceria Synthesized by Detonation Method[J]. Chinese Journal of High Pressure Physics, 2014, 28(5): 585-590. doi: 10.11858/gywlxb.2014.05.012
Citation: HAN Zhi-Wei, XIE Li-Feng, DENG Ji-Ping, WANG Dong, CHEN Ji-Yang, XIE Yi-Chao. Size-Control of Nanostructured Ceria Synthesized by Detonation Method[J]. Chinese Journal of High Pressure Physics, 2014, 28(5): 585-590. doi: 10.11858/gywlxb.2014.05.012

爆轰法合成纳米氧化铈粒径的控制

doi: 10.11858/gywlxb.2014.05.012
基金项目: 江苏省普通高校研究生科研创新计划项目(CXZZ12_0178);国家自然科学基金(11102091);高等学校博士学科点专项科研基金(20113219110010)
详细信息
    作者简介:

    韩志伟(1984-), 男, 博士研究生, 主要从事爆轰、爆炸及其作用研究.E-mail:hzw997@163.com

    通讯作者:

    解立峰(1965-), 男, 博士, 教授, 主要从事爆炸力学及其应用技术研究.E-mail: xielifeng319@sina.com

  • 中图分类号: O389;O521.9

Size-Control of Nanostructured Ceria Synthesized by Detonation Method

  • 摘要: 为获得爆轰合成过程中纳米氧化铈粒径的控制方法,采用乳化炸药爆轰法合成了纳米氧化铈粉末,研究了乳化炸药基质中水相液滴的尺寸对乳化炸药爆速和纳米氧化铈粒径的影响。通过扫描电子显微镜(SEM)、透射电子显微镜(TEM)、X射线衍射仪(XRD)和激光粒度仪,对不同乳化条件下得到的乳化炸药基质和相应的纳米氧化铈进行表征。结果表明,乳化炸药基质中水相液滴的尺寸对乳化炸药爆速和纳米氧化铈粒径均有较大的影响,乳化炸药基质中水相液滴的尺寸越小,相应的乳化炸药爆速越高,爆轰合成的纳米氧化铈的粒径越小,且粒径分布越均匀。

     

  • 图  乳化炸药基质的SEM照片

    Figure  1.  SEM pictures of emulsion base

    图  爆速测试结果

    Figure  2.  Test results of detonation velocity

    图  合成产物的XRD图谱

    Figure  3.  XRD patterns of synthetic products

    图  纳米氧化铈的TEM照片

    Figure  4.  TEM pictures of nanostructured ceria

    图  纳米氧化铈的粒度分布

    Figure  5.  Granulometric distribution of nanostructured ceria

    图  纳米氧化铈粒径均一性与氧化剂液滴尺寸均一性的关系

    Figure  6.  Size uniformity relationship between nanostructured ceria and oxidant droplets

    表  1  不同乳化条件下获得的乳化炸药基质中水相液滴的平均直径

    Table  1.   Mean diameters of droplets in the hydrate phase of emulsion base under different emulsion conditions

    Emulsion base No. v/(m/s) dl/(μm)
    1 2 2.1
    2 4 1.6
    3 6 1.2
    4 8 0.9
    下载: 导出CSV

    表  2  不同乳化条件下纳米氧化铈颗粒的平均直径

    Table  2.   Mean diameters of nanostructured ceria particles under different emulsion conditions

    Sample No. v/(m/s) d/(μm)
    1 2 111
    2 4 87
    3 6 45
    4 8 32
    下载: 导出CSV
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出版历程
  • 收稿日期:  2012-11-30
  • 修回日期:  2013-01-14

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