高温环境对LTNR晶体损伤及热稳定性的影响

王奕朦; 于谦; 李芳; 韩纪旻; 杨利

doi:10.12382/bgxb.2025.0865

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高温环境对LTNR晶体损伤及热稳定性的影响

更新时间：2026-04-23

- 高温环境对LTNR晶体损伤及热稳定性的影响
- Study on the Effect of High Temperature on the Crystal Structure Damage and Thermal Stability Changes of LTNR
- 兵工学报 2026年
- 作者机构：
  
  1. 北京理工大学爆炸科学与安全防护全国重点实验室,北京,100081
  2. 陕西应用物理化学研究所,陕西,西安,130000
  3. 北京理工大学重庆创新中心,重庆,400000
- 作者简介：
- 基金信息：
  
  国家自然科学基金项目(12332020、22475019)
- DOI：10.12382/bgxb.2025.0865
  中图分类号： TQ56
- 收稿：2025-09-19，
  
  网络首发：2026-04-23，
- 稿件说明：
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王奕朦，于谦，李芳，等. 高温环境对LTNR晶体损伤及热稳定性的影响[J/OL]. 兵工学报, 2026(2026-04-23). https://doi.org/10.12382/bgxb.2025.0865.

WANG Y M, YU Q, LI F, et al. Study on the effect of high temperature on the crystal structure damage and thermal stability changes of ltnr[J/OL]. Acta Armamentarii, 2026(2026-04-23). https://doi.org/10.12382/bgxb.2025.0865. (in Chinese)
王奕朦，于谦，李芳，等. 高温环境对LTNR晶体损伤及热稳定性的影响[J/OL]. 兵工学报, 2026(2026-04-23). https://doi.org/10.12382/bgxb.2025.0865. DOI：

WANG Y M, YU Q, LI F, et al. Study on the effect of high temperature on the crystal structure damage and thermal stability changes of ltnr[J/OL]. Acta Armamentarii, 2026(2026-04-23). https://doi.org/10.12382/bgxb.2025.0865. (in Chinese) DOI：

摘要

为研究高温环境对于2

6-三硝基间苯二酚铅（LeadTrinitroresorcinate

LTNR）热稳定性的影响，设计了71~100℃条件下的老化试验，采用形貌表征和热分解动力学分析相结合的方法研究LTNR在不同高温环境下的热稳定性变化。研究结果表明：高温环境下，LTNR的分子结构保持稳定，晶体缺陷显著增加，结晶性有所下降；其热稳定性呈现明显降低趋势，活化能

a从158.41kJ/mol降低至25.41 kJ/mol；试验后，LTNR的摩擦感度呈现敏感化趋势，摩擦感度值从16N降低至6N；高温环境下破坏LTNR晶体结构，导致其热稳定性降低。

Abstract

To investigate the influence of high-temperature environments on the thermal stability of leadTrinitroresorcinate(LTNR)

an aging testunder conditions ranging from 71℃to 100℃was conducted.Morphological characterization andthermaldecomposition kinetics analysiswasemployedto studyLTNR’sthermal stability evolution under different high-temperature conditions.The results show that

although the molecular structure of LTNR remains stable in high-temperature environments

crystal defects increase significantly and crystallinity decreases.The thermal stability of LTNR decreases markedly

withitsactivation energy

adroppingfrom 158.41 kJ/molto 25.41 kJ/mol.After high-temperatureexposure

the friction sensitivity of LTNR turns sensitive

with the value dropping from 16N to 6N.Overall

the thermal stability

reduction of LTNR in high-temperature environments is attributed to damage to its crystal structure.

关键词

Keywords

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