非 TNT 基高固含量熔铸炸药致密成型工艺研究
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Study on Molding Process of Melt-casting Explosive Based on Non-TNT with High Solid Content and Density
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    摘要:

    为提高炸药的高能量和安全性能,对非 TNT 基高固含量熔铸炸药致密成型工艺进行研究。运用 ANSYS 软件建立熔铸炸药自然冷却温度场,构建装药壳体实体和有限元模型,对装药疵病的产生与防止进行分析。根据“组 分体积形状尺寸匹配准则”,运用振动、抽真空、保温冷却等工艺措施,实现高固含量熔铸炸药高致密成型。研究 结果表明:该工艺使装药内部致密均匀,无气孔、缩孔、裂纹等疵病,可实现高固含量熔铸炸药高致密成型。

    Abstract:

    In order to improve the energy performance and safety of the explosive, the molding process of melt-casting explosive based on non-TNT with high solid content and density was studied. The temperature field of melt-cast explosive under the condition of natural cooling was established with the ANSYS software though the construction model of the charge shell and finite element model and the analysis for generation and prevention of explosive charge flaws. The high density molding of melt-casting explosive with high solid content based on the matching criterion of the “component-volume-shape size” was realized by the application of some technological control measures such as vacuum, heat insulation and vibration. It was concluded that the quality of charge with no flaws such as stomata, shrinkage cavity and crack in the grain were achieved though the molding process mentioned in above, realizing the high density molding of melt-casting explosive with high solid content.

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彭泓铮.非 TNT 基高固含量熔铸炸药致密成型工艺研究[J].,2019,38(04).

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  • 收稿日期:2018-11-26
  • 最后修改日期:2018-12-30
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  • 在线发布日期: 2019-05-27
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