Hypervelocityimpactexperimentontwo-dimensional

plain-wovenC/SiCcomposites

YangYang; XuFei; ZhangYue-qing; MoJian-jun; TaoYan-hui

doi:10.11883/1001-1455(2013)02-0156-07

Volume 33 Issue 2

Apr. 2014

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Article Navigation > Explosion And Shock Waves > 2013 > 33(2): 156-162

Chen Qian-yi. A high-resolution Eulerian method and its application to shaped charge jet[J]. Explosion And Shock Waves, 2013, 33(4): 420-424. doi: 10.11883/1001-1455(2013)04-0420-05

Citation:

YangYang, XuFei, ZhangYue-qing, MoJian-jun, TaoYan-hui. Hypervelocityimpactexperimentontwo-dimensional plain-wovenC/SiCcomposites[J]. Explosion And Shock Waves, 2013, 33(2): 156-162. doi: 10.11883/1001-1455(2013)02-0156-07

Chen Qian-yi. A high-resolution Eulerian method and its application to shaped charge jet[J]. Explosion And Shock Waves, 2013, 33(4): 420-424. doi: 10.11883/1001-1455(2013)04-0420-05

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Hypervelocityimpactexperimentontwo-dimensional plain-wovenC/SiCcomposites

doi: 10.11883/1001-1455(2013)02-0156-07

1.
SchoolofAeronautics,NorthwesternPolytechnicalUniversity,
2.
Xi’an710072,Shaanxi,China;
3.
StateKeyLaboratoryofExplosionScienceandTechnology,BeijingInstitute

Funds:

NationalNaturalScienceFoundationofChina(90916027)

Publish Date: 2013-03-25

Abstract

Abstract

Two-dimensional(2D)plain-wovenC/SiCcompositeplatesandduralumin (LY12)plates wereimpactedbymylar-filmflyerplateswhichwereloadedbyanelectricalgunto3.4-9.5m/s,respectively. Thefreeinterfacialvelocitiesoftheexperimentalplates were measured withalaser Dopplervelocimeterandtheimpact-induceddebriscloudswerecollectedwithpreparedfoamplates. Andthedamageareasoftheexperimentalplateswereinspectedbyusinganultrasonicscanningsystem. Basedontheaboveexperimentalresults,themechanicalresponsesofthe2Dplain-wovenC/SiC compositesunderhypervelocityimpactwereanalyzed.Theaboveexperimentalresultsshowthatwith theincreaseoftheimpactintensity,thefreeinterfacialvelocitiesofthe2Dplain-wovenC/SiCcompositeplatesincrease, thelocaldamageareasincrease,andthedebrisclouds-affectedregionsinthe preparedfoamplatesincrease.AndcomparedwiththeLY12platessubjectedtotheimpactofthe sameintensity,theintensitiesofthedebriscloudsfromthe2Dplain-wovenC/SiCcompositeplates arelower,theiraffectingregionsinthefoamplatesarelarger,andtheareicimpactenergiesarelower. Sothe2Dplain-wovenC/SiCcompositescanmarkedlydecreasethedamagewhichwillbesuffered byprotectedobjectsanditcanbeusedasanidealprotective materialinspacedebrisprotection shields.
- mechanicsofexplosion,
- hypervelocityimpact,
- electricalgun,
- 2Dplain-wovenC/SiCcomposites,
- debriscloud

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