Mohr–Coulomb 파단모델을 이용한 텅스텐 합금의 충격 파단 예측Prediction of Impact Fracture for Tungsten Alloy Using the Mohr–Coulomb Fracture Model

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dc.contributor.author노동환ko
dc.contributor.authorFazily, Piemaanko
dc.contributor.author유광현ko
dc.contributor.author이승보ko
dc.contributor.author고동균ko
dc.contributor.author성민제ko
dc.contributor.author허훈ko
dc.contributor.author윤정환ko
dc.date.accessioned2021-12-05T06:41:22Z-
dc.date.available2021-12-05T06:41:22Z-
dc.date.created2021-12-03-
dc.date.created2021-12-03-
dc.date.created2021-12-03-
dc.date.created2021-12-03-
dc.date.issued2021-02-
dc.identifier.citation소성가공, v.30, no.1, pp.16 - 21-
dc.identifier.issn1225-696X-
dc.identifier.urihttp://hdl.handle.net/10203/290014-
dc.description.abstractA new concept of ammunition without the use of explosive gunpowder has been recently studied, which achieves performance equal to or higher than that of high explosives. Frangible Armor Piercing (FAP) is one of the concepts, which utilizes a tungsten alloy penetrator specialized for fragmentation. To investigate the fracture behavior of the tungsten alloy penetrator, Taylor impact tests were conducted at various impact velocities. Additionally, finite element analysis was performed to predict the fracture behavior of the tungsten alloy. Compression tests were also carried out at six strain rates for dynamic material properties and the dynamic hardening behavior was successfully predicted with the Lim–Huh model. Finally, the Mohr–Coulomb fracture model based on the mean stress was adopted to predict impact failure in Taylor impact simulation. The analysis predicts the deformation and fracture behaviors of the tungsten alloy successfully-
dc.languageKorean-
dc.publisher한국소성가공학회-
dc.titleMohr–Coulomb 파단모델을 이용한 텅스텐 합금의 충격 파단 예측-
dc.title.alternativePrediction of Impact Fracture for Tungsten Alloy Using the Mohr–Coulomb Fracture Model-
dc.typeArticle-
dc.type.rimsART-
dc.citation.volume30-
dc.citation.issue1-
dc.citation.beginningpage16-
dc.citation.endingpage21-
dc.citation.publicationname소성가공-
dc.identifier.doi10.5228/KSTP.2021.30.1.16-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.identifier.kciidART002682771-
dc.contributor.localauthor허훈-
dc.contributor.localauthor윤정환-
dc.contributor.nonIdAuthor고동균-
dc.contributor.nonIdAuthor성민제-
dc.description.isOpenAccessN-
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