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A comparative study was conducted on two methods—natural environment cooling solidification and segmented temperature-controlled sequential solidification—during the melt-casting and filling process of DNAN-based energetic materials, using finite element simulation and experimental validation. Industrial CT was employed to inspect the filling molding quality, which was then compared and analyzed with numerical simulation results. The results show that the segmented temperature-controlled sequential solidification method can significantly reduce internal defects in the DNAN-based energetic material filling, improving the melt-casting molding quality.

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The Study on the Segmented Temperature-Controlled Sequential Solidification Method for DNAN-Based Energetic Materials

  • 会议论文

  • 出版模式：

    开放获取

  • 发表日期：

    2026年

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  • Chen Ma,
  • Bing Xiong,
  • Weidong He,
  • Zheng Mei,
  • Yanyu Jang

摘要

A comparative study was conducted on two methods—natural environment cooling solidification and segmented temperature-controlled sequential solidification—during the melt-casting and filling process of DNAN-based energetic materials, using finite element simulation and experimental validation. Industrial CT was employed to inspect the filling molding quality, which was then compared and analyzed with numerical simulation results. The results show that the segmented temperature-controlled sequential solidification method can significantly reduce internal defects in the DNAN-based energetic material filling, improving the melt-casting molding quality.