Chinese Journal of Explosives and Propellants最新文献

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Effect of Aging on the Performances of TNT Based Melt-cast Explosives 老化对TNT熔铸炸药性能的影响

Chinese Journal of Explosives and Propellants Pub Date : 2016-06-25 DOI: 10.14077/j.issn.1007-7812.2016.03.009

Niu Guo-tao, Hao Jing, Jin Da-yong, Zhang Dong-mei, N. Lei, Cao Shao-ting

{"title":"Effect of Aging on the Performances of TNT Based Melt-cast Explosives","authors":"Niu Guo-tao, Hao Jing, Jin Da-yong, Zhang Dong-mei, N. Lei, Cao Shao-ting","doi":"10.14077/j.issn.1007-7812.2016.03.009","DOIUrl":"https://doi.org/10.14077/j.issn.1007-7812.2016.03.009","url":null,"abstract":"To research the effect of aging on the explosive performances,the accelerated aging test of three kinds of melt-cast explosives TNT/RDX,TNT/RDX/Al and TNT/HMX/Al stockpiled for a period of time were carried out.The micro morphology and safety properties of these explosives before and after aging were studied by scanning electron microscopy and vacuum stability test(VST).The mechanical sensitivities and detonation velocities of these explosives before and after aging were tested.The results show that after aging,the color of explosives becomes dark,the volume is expanded,and the mass is decreased.The amount of evolved gas of samples is less than 2mL/g.The thermal sensitivity of samples also has smaller change.The change in mechanical sensitivity is related to the components and aging mode of explosive.For the TNT/RDX,the detonation velocity gradually decreases with increasing the storage time,which is consistent with that of overall accelerated aging.The change trend of heat of detonation with increasing the storage time for the TNT/RDX/Al and TNT/HMX/Al is opposite,revealing that the aging mechanism may be different.","PeriodicalId":10141,"journal":{"name":"Chinese Journal of Explosives and Propellants","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90514969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

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

Chinese Journal of Explosives and Propellants Pub Date : 2016-01-01 DOI: 10.14077/J.ISSN.1007-7812.2016.05.003

A. K. Hussein, S. Zeman, M. Sućeska, M. Jungová

引用次数: 2

Combustion performances of Mg-Al alloy hydro-reactive metal fuel propellant 镁铝合金氢反应金属燃料推进剂的燃烧性能

Chinese Journal of Explosives and Propellants Pub Date : 2015-01-01 DOI: 10.14077/J.ISSN.1007-7812.2015.02.017

Gao Ming, Guo Xiaoyan, Zou Meishuai, Yang Rong-jie

引用次数: 0