CHINESE JOURNAL OF ENERGETIC MATERIALS
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DNTF/PDMS/NC基含能油墨制备与性能
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1.中北大学环境与安全工程学院, 山西 太原 030051;2.海军装备部驻成都第二军事代表室, 四川 成都 610000;3.西安长峰机电研究所, 陕西 西安 710000

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国家自然科学基金资助(22275170)


Preparation and Performance of DNTF/PDMS/NC-based Energetic Ink
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Affiliation:

1.School of Environmental and Safety Engineering, North University of China, Taiyuan 030051, China;2.Second Military Representative Office of the Navy Equipment Department in Chengdu, Chengdu 610000, China;3.Xi''an Changfeng Institute of Mechanical and Electrical Research, Xi''an 710000, China

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    摘要:

    为获得与喷墨打印技术兼容且在微尺度下稳定爆轰的全溶型炸药油墨,设计了以3,4-二硝基呋咱基氧化呋咱(DNTF)为主体炸药,聚二甲基硅氧烷(PDMS)和硝化纤维素(NC)为复合黏结体系的含能油墨。使用粘度计、电子密度仪和高速摄影仪等设备,探究了含能油墨流变特性和可打印性,采用扫描电子显微镜、纳米压痕仪及BAM撞击感度测试仪等仪器,表征了喷墨沉积样品微观形貌、力学性能和安全性能。结果表明:DNTF基含能油墨与喷墨打印技术兼容性良好,复合黏结体系能够将炸药颗粒紧密黏结。制得样品DNTF基复合物最大弹性模量达到6.438 GPa;其撞击感度和摩擦感度能量较于原料DNTF分别提升了6.5 J和24 N;在长100 mm、宽1 mm及深度1 mm的沟槽中爆速达到了7927 m·s-1

    Abstract:

    In order to obtain a fully solution-based explosive ink that was compatible with inkjet printing technology and stably detonated at the microscale, an energetic ink was designed by exploiting 3,4-dinitrofurazanfuroxan (DNTF) as the main explosive and polydimethylsiloxane (PDMS)/nitrocellulose (NC) as the composite binder. The rheological properties and printability of energetic inks were explored by viscometer, electron densitometer, and high-speed photographic instrument. The microscopic morphology, mechanical properties, and safety performance of inkjet-deposited samples were characterized using scanning electron microscopy, nanoindenter, and BAM impact sensitivity tester. The results show that the DNTF-based energetic ink is compatible with inkjet printing technology. The composite bonding system could bind the explosive particles tightly. The maximum elastic modulus of DNTF-based composites reaches up to 6.438 GPa; Compared with the raw DNTF, the impact sensitivity and friction sensitivity of DNTF-based composites increase by 6.5 J and 24 N, respectively. In the groove with 100 mm length, 1 mm width, and 1 mm depth, the detonation velocity of sample reaches 7927 m·s-1.

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刘颂金,高磊,刘晓磊,等. DNTF/PDMS/NC基含能油墨制备与性能[J].含能材料, 2023, 31(6):546-551. DOI:10.11943/CJEM2023051.
LIU Song-jin, GAO Lei, LIU Xiao-lei, et al. Preparation and Performance of DNTF/PDMS/NC-based Energetic Ink[J]. Chinese Journal of Energetic Materials, 2023, 31(6):546-551. DOI:10.11943/CJEM2023051.

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历史
  • 收稿日期: 2023-03-12
  • 最后修改日期: 2023-06-16
  • 录用日期: 2023-05-25
  • 在线发布日期: 2023-06-05
  • 出版日期: 2023-06-25