乳化炸药爆轰合成纳米氧化铈及表征

韩志伟 解立峰 邓吉平 倪欧琪 解一超 陈际洋

韩志伟, 解立峰, 邓吉平, 倪欧琪, 解一超, 陈际洋. 乳化炸药爆轰合成纳米氧化铈及表征[J]. 高压物理学报, 2014, 28(3): 319-323. doi: 10.11858/gywlxb.2014.03.009
引用本文: 韩志伟, 解立峰, 邓吉平, 倪欧琪, 解一超, 陈际洋. 乳化炸药爆轰合成纳米氧化铈及表征[J]. 高压物理学报, 2014, 28(3): 319-323. doi: 10.11858/gywlxb.2014.03.009
HAN Zhi-Wei, XIE Li-Feng, DENG Ji-Ping, NI Ou-Qi, XIE Yi-Chao, CHEN Ji-Yang. Detonation Synthesis and Characterization of Nano-Ceria with Emulsion Explosives[J]. Chinese Journal of High Pressure Physics, 2014, 28(3): 319-323. doi: 10.11858/gywlxb.2014.03.009
Citation: HAN Zhi-Wei, XIE Li-Feng, DENG Ji-Ping, NI Ou-Qi, XIE Yi-Chao, CHEN Ji-Yang. Detonation Synthesis and Characterization of Nano-Ceria with Emulsion Explosives[J]. Chinese Journal of High Pressure Physics, 2014, 28(3): 319-323. doi: 10.11858/gywlxb.2014.03.009

乳化炸药爆轰合成纳米氧化铈及表征

doi: 10.11858/gywlxb.2014.03.009
基金项目: 江苏省普通高校研究生科研创新计划项目(CXZZ12_0178);江苏省自然科学基金(BK20130760)
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

  • 中图分类号: O614.33; O389

Detonation Synthesis and Characterization of Nano-Ceria with Emulsion Explosives

  • 摘要: 为通过爆轰法合成纳米氧化铈,设计并制备了以Ce(NO3)3·6H2O为主要氧化剂的5种乳化炸药。综合考虑Ce(NO3)3含量对乳化炸药爆速的影响和纳米氧化铈的得率,筛选出适用于爆轰法制备纳米氧化铈的乳化炸药配方。通过在爆炸罐中起爆乳化炸药,制备得到了纳米氧化铈。利用X射线衍射仪(XRD)和透射电镜(TEM)对样品进行表征。XRD测试结果表明,乳化炸药爆轰法合成的纳米氧化铈属于立方晶系,理论粒径为74 nm。TEM测试结果表明,合成的纳米氧化铈外观呈球形,具有较好的分散性和粒度均一性,平均粒径为70 nm。

     

  • 图  实验装置示意图

    Figure  1.  Sketch of experimental apparatus

    图  乳化炸药爆速与硝酸铈含量的关系

    Figure  2.  Relationship between detonation velocity and content of Ce(NO3)3

    图  乳化炸药基质的SEM照片

    Figure  3.  SEM picture of emulsion base

    图  乳化炸药反应模型

    Figure  4.  Reaction model of emulsion explosives

    1.Detonation products; 2.Boundary of reaction zone; 3.Reaction zone; 4.Shock front; 5.Emulsion explosives (a) Reaction starts from the surface of hollow resin microspheres; (b) Reaction zone expands; (c) Reaction ends

    图  XRD测试结果

    Figure  5.  Test result of XRD

    图  TEM测试结果

    Figure  6.  Test result of TEM

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出版历程
  • 收稿日期:  2012-05-16
  • 修回日期:  2012-06-27

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