CHINESE JOURNAL OF ENERGETIC MATERIALS
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RDX级配对醇醛高聚物粘结炸药触变性的影响
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作者单位:

(中国工程物理研究院化工材料研究所, 四川 绵阳 621999)

作者简介:

刘慧慧(1990-),女,研实员,主要从事高聚物粘结炸药研究。e-mail: liuhuihui9088@caep.cn 通信联系人: 李尚斌(1972-),男,职称,研究员,主要从事炸药配方和性能研究。e-mail: caeplisb@163.com

通讯作者:

李尚斌(1972-),男,职称,研究员,主要从事炸药配方和性能研究。e-mail: caeplisb@163.com

基金项目:

中国工程物理研究院化工材料研究所科技创新基金资助(KJCX-201408)


Effects of RDX Gradation on the Thixotropy of Aldol Based Polymer Bonded Explosive
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(Institute of Chemical Materials, CAEP, Mianyang 621999, China)

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    摘要:

    为了研究浇注型醇醛高聚物粘结炸药的触变性能, 采用触变环法探索了黑索今(RDX)级配及颗粒含量对料浆触变性的影响。触变环面积用于表征料浆的触变程度。结果表明, 该料浆体系是假塑性流体, 不同RDX级配的料浆具有不同程度的触变性。RDX级配数越高、颗粒越大的料浆触变性越小。小颗粒含量越高, 大颗粒和中颗粒的级配对降低料浆触变性的影响越大。料浆的触变程度与小颗粒RDX含量呈正相关关系, 与大颗粒RDX含量呈负相关关系。

    Abstract:

    In order to study the thixotropic properties of casting aldol based polymer bonded explosive, the effect of RDX gradation and content of RDX particles on the thixotropic properties of the slurry was explored by a thixotropic loop method. The area of hysteresis loop was used to characterize the thixotropic extent. Results show that the slurry system is a pseudoplastic fluid. The slurry with different RDX gradation has different degree of thixotropy. The higher the number of RDX gradation or the larger the RDX particles, the smaller the thixotropy of slurry. The higher the content of small particles, the greater the influence of gradation of large and middle particles on the decreasing extent of thixotropy of slurry. Thixotropic extent of the slurry reveals a positive correlation with the content of small RDX particles, and a negative correlation with the content of large RDX particles.

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刘慧慧,郑申声,蔡贾林,等. RDX级配对醇醛高聚物粘结炸药触变性的影响[J].含能材料, 2016, 24(12):1198-1204. DOI:10.11943/j. issn.1006-9941.2016.12.012.
LIU Hui-hui, ZHENG Shen-sheng, CAI Jia-lin, et al. Effects of RDX Gradation on the Thixotropy of Aldol Based Polymer Bonded Explosive[J]. Chinese Journal of Energetic Materials, 2016, 24(12):1198-1204. DOI:10.11943/j. issn.1006-9941.2016.12.012.

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  • 收稿日期: 2016-05-24
  • 最后修改日期: 2016-07-05
  • 录用日期: 2016-07-22
  • 在线发布日期: 2016-12-26
  • 出版日期: 2016-12-23