Energyoutputandmechanicalstrengthof

aluminum-fibre-reinforcedcompositeexplosives

LIAO Xue-yan; SHEN Zhao-wu; YAO Bao-xue; DONG Shu-nan; MA Hong-hao; JIANG Yao-gang

doi:10.11883/1001-1455(2010)04-0424-05

Volume 30 Issue 4

May 2014

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Article Navigation > Explosion And Shock Waves > 2010 > 30(4): 424-428

WANG Zhanying, QUAN Xiaobo, DUAN Jinxiong, SUN Tiezhi. Study on the impact flow field and the motion characteristics of vehicle with boost floatation aids falling on the water in a wave environment[J]. Explosion And Shock Waves, 2024, 44(11): 113901. doi: 10.11883/bzycj-2023-0260

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LIAO Xue-yan, SHEN Zhao-wu, YAO Bao-xue, DONG Shu-nan, MA Hong-hao, JIANG Yao-gang. Energyoutputandmechanicalstrengthof aluminum-fibre-reinforcedcompositeexplosives[J]. Explosion And Shock Waves, 2010, 30(4): 424-428. doi: 10.11883/1001-1455(2010)04-0424-05

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Energyoutputandmechanicalstrengthof aluminum-fibre-reinforcedcompositeexplosives

doi: 10.11883/1001-1455(2010)04-0424-05

1.
Departmentof ModernMechanics,UniversityofScienceandTechnologyofChina,

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Corresponding author: SHEN Zhao-wu
Publish Date: 2010-07-25

Abstract

Abstract

AluminumfibrewasaddedintoTNTandRDXexplosives,respectively,tosynthesizecompositeexplosiveswiththealuminum- fibremassfractionof0.2.Airblastexperimentswereconducted inasteelexplosion-containmentvesseltoinvestigatetheeffectsofaluminumfibreontheexplosiveenergyoutput. Resultsdisplaythattheoverpressureandexplosionheatofthealuminum-fibre-reinforcedcompositeTNTexplosivearriveat1.19and1.29timesashighasthoseofthepureTNTexplosive, respectively.Theoverpressureandexplosionheatofthealuminum-fibre-reinforcedcompositeRDXexplosivearriveat1.20and1.31timesashighasthoseofthepureRDXexplosive, respectively. Andtheexplosionheatofthealuminum-fibre-reinforcedcompositeRDXexplosiveis1.64 timesasmuchasthatofthepureTNTexplosive.Mechanicalstrengthtestswereperformedbya WDW4100almightytestsystemtoanalyzetheeffectsofaluminumfibreonthemechanicalstrengthof TNTexplosives.TestresultsshowthatthedamagestressofthecompositeTNTexplosiveisupto6. 87MPaandthecorrespondingstrainis0.043.Andaluminumfibrecanimprovethe mechanical strengthofexplosives.Thisresearchcanprovidereferenceforthedesignofhighexplosives.
- mechanicsofexplosion,
- outputenergy,
- airblastexpriments,
- aluminumfireexplosive,
- mechanicalstrength

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