CHINESE JOURNAL OF ENERGETIC MATERIALS
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RDX/HMX炸药晶体内部缺陷表征与冲击波感度研究
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国家自然科学基金(10972205/A020601)和中国工程物理研究院学科发展基金(200830302028)资助


Intragranular Defects and Shock Sensitivity of RDX/HMX
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    摘要:

    采用折光匹配显微观察(OMS)和原子力显微镜(AFM)表征、X射线小角散射(SAXS)、表观密度浮沉法(SFM)、微聚焦CT扫描等方法,研究了不同结晶品质RDX、HMX晶体缺陷。OMS观察结果表明,普通RDX/HMX较降感RDX/降感HMX(RS-RDX/RS-HMX)晶体含有更多的表面裂纹与内部孔洞;X射线小角散射与高精度CT扫描统计测试结果表明,RS-RDX/RS-HMX晶体内部也含有一定数量较小尺寸的缺陷,但较普通RDX/HMX晶体内部含较大尺寸缺陷数量少。冲击波感度实验结果表明,炸药晶体缺陷数量、尺寸对PBX冲击波感度有较大影响。

    Abstract:

    The crystal internal defects of RDX/HMX were studied by optical microscopy with matching refractive(OMS), small angle scattering of X-ray(SASX),atomic force microscope(AFM), sink-fload method(SFM) and Mirco-CT. OMS and AFM results show that RDX/HMX has more defects and cracks than reduced sensitivity-RDX/reduced sensitivity-HMX. SASX results show that crystal internal defects of RDX/HMX are larger than that of RS-RDX/RS-HMX, and mirco-CT results show that RDX has larger internal defects than RS-RDX. Furthermore, shock sensitivity of RDX based PBXs and RS-RDX based PBXs were studied, and the results show that internal defects of RDX has great influence on shock sensitivity of RDX.

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花成,黄明,黄辉,等. RDX/HMX炸药晶体内部缺陷表征与冲击波感度研究[J].含能材料,2010,18(2):152-156. DOI:10.3969/j. issn.1006-9941.2010.02.007.
HUA Cheng, HUANG Ming, HUANG Hui, et al. Intragranular Defects and Shock Sensitivity of RDX/HMX[J]. Chinese Journal of Energetic Materials, 2010, 18(2):152-156. DOI:10.3969/j. issn.1006-9941.2010.02.007.

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  • 收稿日期: 2009-03-16
  • 最后修改日期: 2010-01-11
  • 录用日期: 2009-12-07
  • 在线发布日期: 2010-04-16
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