高黏性含铝混合炸药药浆压剪载荷下安全性研究

蒋旺; 张炜; 陈鹏万; 郭学永; 聂建新; 胡勇; 占超; 刘睿

doi:10.12382/bgxb.2025.0330

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高黏性含铝混合炸药药浆压剪载荷下安全性研究

更新时间：2026-04-24

- 高黏性含铝混合炸药药浆压剪载荷下安全性研究
- Study on the Safety of Highly Viscous Aluminum-containing Mixed Explosive Slurry under Compression-shear Loading
- 兵工学报 2026年47卷第3期页码：250330
- 作者机构：
  
  北京理工大学机电学院，北京 100081
  重庆红宇精密工业有限责任公司，重庆 402760
- 作者简介：
  
  通信作者邮箱：liurui1985@bit.edu.cn
- 基金信息：
- DOI：10.12382/bgxb.2025.0330
  中图分类号： TJ55
- 收稿：2025-04-29，
  
  网络首发：2026-04-04，
  
  纸质出版：2026-03
- 稿件说明：
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蒋旺, 张炜, 陈鹏万, 等. 高黏性含铝混合炸药药浆压剪载荷下安全性研究[J]. 兵工学报, 2026,47(3):250330.

JIANG Wang, ZHANG Wei, CHEN Pengwan, et al. Study on the Safety of Highly Viscous Aluminum-containing Mixed Explosive Slurry under Compression-shear Loading[J]. Acta Armamentarii, 2026, 47(3): 250330.
蒋旺, 张炜, 陈鹏万, 等. 高黏性含铝混合炸药药浆压剪载荷下安全性研究[J]. 兵工学报, 2026,47(3):250330. DOI： 10.12382/bgxb.2025.0330.

JIANG Wang, ZHANG Wei, CHEN Pengwan, et al. Study on the Safety of Highly Viscous Aluminum-containing Mixed Explosive Slurry under Compression-shear Loading[J]. Acta Armamentarii, 2026, 47(3): 250330. DOI： 10.12382/bgxb.2025.0330.

摘要

为研究含铝混合炸药浆料在造粒过程安全性问题，考虑造粒过程含铝混合炸药药浆承受压剪载荷作用，设计含铝混合炸药药浆摩擦感度实验，分析了其点火概率分布特征，确定了含铝混合炸药药浆在压剪条件下点火临界剪切功率密度。将造粒过程分解为搅拌和挤出两大关键过程，利用有限元分析软件，探讨了搅拌过程和挤出过程药浆流动速度、剪切应力以及剪切功率密度分布规律，分析了黏度变化对物料响应特征的影响。研究结果表明，搅拌过程安全性比挤出过程安全性低，这是由于剪切功率密度是由外界载荷和流动速度两种因素共同决定，而不是单一因素决定。造粒过程搅拌速率安全阈值为52 r/min。

Abstract

The safety of aluminum-containing mixed explosive slurry during the granulation process is studied. An experimental scheme for the friction sensitivity of aluminum-containing mixed explosive slurry were designed

considering that the explosive slurry during the granulation process is subjected to the compression-shear loading. The ignition probability distribution characteristics are analyzed

and the critical shear power density

as the ignition threshold

of the explosive slurry under the compression and shearing conditions is determined. The granulation process is divided into two critical stages

i. e.

stirring and extrusion. The distribution laws of flow velocity

shear stress and shear power density are investigated by using the finite element analysis software

and the effect of the viscosity change on the material response is analyzed. The results showe that the safety of stirring process is lower than that of extrusion process. It is because that the shear power density is determined by both the external load and the flow velocity

rather than being determined by a single factor. The safe threshold of the stirring rate during the granulation process is 52 r/min.

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references

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