Relative explosive strength of some explosive mixtures containing urea and/or peroxides

A. K. Hussein, S. Zeman, M. Sućeska, M. Jungová
{"title":"Relative explosive strength of some explosive mixtures containing urea and/or peroxides","authors":"A. K. Hussein, S. Zeman, M. Sućeska, M. Jungová","doi":"10.14077/J.ISSN.1007-7812.2016.05.003","DOIUrl":null,"url":null,"abstract":"Several mixtures, based on urea, urea derivatives some inorganic oxidants, including also aluminia, were studied by means of ballistics mortar with TNT as a reference standard. The Detonation pressure (P), detonation velocity (D), detonation heat (Q) and volume of gaseous product at standard temperature and pressure conditions (STP condition) were calculated using Explo5 V6.3 thermochemical code. The performance of the mixtures studied was discussed in relation to their thermal reactivity, determined by means of differential thermal analysis (DTA) . It is shown that the presence of hydrogen peroxide in the form of its complex with urea (i.e. as UHP) has positive influence on the explosive strength of the corresponding mixtures which is linked to the hydroxy-radical formation in the mixtures during their initiation reaction. These radicals may might initiate (at least partially) powdered aluminium into oxidation in the CJ plane of the detonation wave. Mytures containing UHP and magnesium are dangerous because of potential auto-ignition.","PeriodicalId":10141,"journal":{"name":"Chinese Journal of Explosives and Propellants","volume":"11 1","pages":"22-27"},"PeriodicalIF":0.0000,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Chinese Journal of Explosives and Propellants","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.14077/J.ISSN.1007-7812.2016.05.003","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 2

Abstract

Several mixtures, based on urea, urea derivatives some inorganic oxidants, including also aluminia, were studied by means of ballistics mortar with TNT as a reference standard. The Detonation pressure (P), detonation velocity (D), detonation heat (Q) and volume of gaseous product at standard temperature and pressure conditions (STP condition) were calculated using Explo5 V6.3 thermochemical code. The performance of the mixtures studied was discussed in relation to their thermal reactivity, determined by means of differential thermal analysis (DTA) . It is shown that the presence of hydrogen peroxide in the form of its complex with urea (i.e. as UHP) has positive influence on the explosive strength of the corresponding mixtures which is linked to the hydroxy-radical formation in the mixtures during their initiation reaction. These radicals may might initiate (at least partially) powdered aluminium into oxidation in the CJ plane of the detonation wave. Mytures containing UHP and magnesium are dangerous because of potential auto-ignition.
某些含有尿素和/或过氧化物的爆炸性混合物的相对爆炸强度
以TNT为参比标准,用弹道砂浆研究了几种以尿素、尿素衍生物、无机氧化剂(包括铝)为基础的混合物。利用Explo5 V6.3热化学程序计算了在标准温度和压力条件下(STP条件)的爆轰压力(P)、爆轰速度(D)、爆轰热(Q)和气体产物体积。通过差热分析(DTA)确定了所研究混合物的热反应性,并对其性能进行了讨论。结果表明,过氧化氢以尿素络合物的形式存在(即UHP)对相应混合物的爆炸强度有积极的影响,这与引发反应时混合物中羟基自由基的形成有关。这些自由基可能会在爆震波的CJ面引发(至少部分地)粉状铝氧化。含有超高压和镁的纤维是危险的,因为可能会自燃。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
求助全文
约1分钟内获得全文 求助全文
来源期刊
自引率
0.00%
发文量
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
确定
请完成安全验证×
copy
已复制链接
快去分享给好友吧!
我知道了
右上角分享
点击右上角分享
0
联系我们:info@booksci.cn Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术官方微信