Dischargecharacteristicsofferroelectricceramicsexplosive

toelectricaltransducerimpactedbyexplosive-drivenflyer

GuLin; ZhangHe

doi:10.11883/1001-1455(2013)02-0212-05

Volume 33 Issue 2

Apr. 2014

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GuLin, ZhangHe. Dischargecharacteristicsofferroelectricceramicsexplosivetoelectricaltransducerimpactedbyexplosive-drivenflyer[J]. Explosion And Shock Waves, 2013, 33(2): 212-216. doi: 10.11883/1001-1455(2013)02-0212-05

Citation:

GuLin, ZhangHe. Dischargecharacteristicsofferroelectricceramicsexplosive toelectricaltransducerimpactedbyexplosive-drivenflyer[J]. Explosion And Shock Waves, 2013, 33(2): 212-216. doi: 10.11883/1001-1455(2013)02-0212-05

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Dischargecharacteristicsofferroelectricceramicsexplosive toelectricaltransducerimpactedbyexplosive-drivenflyer

doi: 10.11883/1001-1455(2013)02-0212-05

GuLin,
ZhangHe

1.
MinisterialKeyLaboratoryofZNDY,NanjingUniversityofScienceandTechnology,

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Corresponding author: GuLin
Publish Date: 2013-03-25

Abstract

Abstract

Tostudythedischargecharacteristicsofferroelectricceramicsashighpowerpulsesupplyof miniatureelectromagneticpulsebombs,thenumericalalgorithmoftheshockwaveontheferroelectricceramicsimpactedbyanexplosive- drivenflyerwasbroughtforward.Theimpactloadsofdifferentcharginglengthswerecalculated. ThedepolarizationdischargemodelforPZT95/5loadedbya highvoltageenergystoragecapacitorwasestablished.Theexperimentaldeviceforthedepolarization dischargeofPZT95/5wasdesigned.Theexperimentalresultsshowthat5mmcharginglengthcan meetthetransitionpressureofferroelectricceramics.Theenergystoragecapacitorenlargesthedischargepulsewidthto20swhentheelectricalparametersoftheloadare0.2and18H. Thedepolarizationdischargeenergyincreaseswiththegrowthofthenumberoftheferroelectricceramicsin parallelconnection.Thedischarginglossrateisabout15%.
- mechanicsofexplosion,
- depolarization,
- explosive-driven,
- ferroelectricceramics,
- flyer