[1]马慧①,刘玉存②,柴涛②,等.固化温度及固化剂种类对模拟PBX浇注炸药力学性能的影响[J].爆破器材,2021,50(02):18-23.[doi:10.3969/j.issn.1001-8352.2021.02.004]
　MA Hui,LIU Yucun,CHAI Tao,et al.Effect of Curing Temperature and Curing Agent on Mechanical Properties of Simulated PBX Pouring Explosive[J].EXPLOSIVE MATERIALS,2021,50(02):18-23.[doi:10.3969/j.issn.1001-8352.2021.02.004]
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固化温度及固化剂种类对模拟PBX浇注炸药力学性能的影响()
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《爆破器材》[ISSN:1001-8352/CN:32-1163/TJ]

卷:
50
期数:
2021年02
页码:
18-23
栏目:
基础理论
出版日期:
2021-04-09

文章信息/Info

Title:
Effect of Curing Temperature and Curing Agent on Mechanical Properties of Simulated PBX Pouring Explosive
文章编号:
5510
作者:
马慧①; 刘玉存②; 柴涛②; 郭嘉昒②③; 张勤①; 李强林①; 陆一新①; 孙静①; 郑桂花①; 白杨①
①成都工业学院材料与环境学院(四川成都,611730)
②中北大学化工与环境学院(山西太原,030051)
③四川科技职工大学(四川成都,610101)
Author(s):
MA Hui①;  LIU Yucun②;  CHAI Tao②;  GUO Jiahu②③;  ZHANG Qin①;  LI Qianglin①;  LU Yixin①;  SUN Jing①; ZHENG Guihua①;  BAI Yang①
① School of Materials and Environmental Engineering, Chengdu Technological University (Sichuan Chengdu, 611730)
② School of Environment and Safety Engineering, North University of China (Shanxi Taiyuan, 030051)
③ Sichuan Staff University of Science and Technology (Sichuan Chengdu, 610101)
关键词:
固化温度; 力学性能; 黏结剂; HDI-trimer; DABCO; 模拟PBX浇注炸药
Keywords:
curing temperature;  mechanical properties;  binders;  HDI-trimer;  DABCO;  simulated PBX pouring explosive
分类号:
TQ564.4
DOI:
10.3969/j.issn.1001-8352.2021.02.004
文献标志码:
A
摘要:
测试了端羟基聚丁二烯-异佛尔酮二异氰酸酯-三苯基铋（HTPB-IPDI-TPB）和端羟基聚丁二烯-六亚甲基二异氰酸酯三聚体-亚乙基二胺（HTPB-HDI-trimer-DABCO）两种黏结剂在不同固化温度下对模拟PBX浇注炸药的力学性能的影响。实验结果表明，随着固化温度的升高，HTPB-IPDI-TPB和HTPB-HDI-trimer-DABCO制备的模拟PBX浇注炸药药柱的力学性能增强。固化剂IPDI和HDI-trimer对药柱的机械性能有较大影响，与含IPDI炸药相比，含HDI-trimer的炸药药柱的剪切强度在35 ℃增大50.27%，45 ℃增大34.30%，55 ℃增大44.83%；抗拉强度在35 ℃降低82.66%，45 ℃降低78.73%，55 ℃降低82.22%；抗压强度在35 ℃增大54.85%，45 ℃增大45.25%，55 ℃增大53.38%。HDI-trimer形成三维网状结构降低了药柱的抗拉强度。
Abstract:
Effects of two binders, HTPB-IPDI-TPB and HTPB-HDI-trimer-DABCO, on the mechanical properties of simulated PBX pouring explosives at different curing temperatures were tested. Experimental results show that, as the curing temperature increase, mechanical properties of simulated PBX pouring explosive containing the two binders enhance. Curing agent, IPDI or HDI-trimer, has a great influence on mechanical properties of the grain. Compared with explosive containing IPDI, shear strength of HDI-trimer system increases by 50.27% at 35 ℃, 34.30% at 45 ℃, and 44.83% at 55 ℃; tensile strength of HDI-trimer system decreases by 82.66% at 35 ℃, 78.73% at 45 ℃, and 82.22% at 55 ℃; and compressive strength of HDI-trimer system increases by 54.85% at 35 ℃, 45.25% at 45 ℃, and 53.38% at 55 ℃. HDI-trimer forms a three-dimensional mesh structure to reduce the tensile strength of the grain.

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备注/Memo

备注/Memo:
收稿日期：2020-07-28
基金项目：国家自然科学基金委员会和中国工程物理研究院联合基金(U1330131);成都工业学院人才引进项目（2019RC010）
第一作者：马慧(1984－)，女，讲师，主要从事含能环保高分子材料的研究。E-mail:mahui20032011@163.com
通信作者：刘玉存(1961－)，男，教授，主要从事含能材料与火炸药的研究。E-mail:lyc2ct@sina.com
更新日期/Last Update: 2021-04-09