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The 3rd notification of the 14th conference on Explosion Mechanics Notification of the 14th conference on Explosion Mechanics (supplement) Contributions wanted for the special issue: the Propagation of Waves Explosion and Shock Waves is in the 6th edition of the list of S&T Journals of China List of awrard by Explosion and Shock Waves in 2022 Notification of the 14th conference on Explosion Mechanics
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Volume 30 Issue 1
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Article Navigation >  Explosion And Shock Waves  > 2010  >  30(1): 39-44
TANG Tie-gang, LI Qing-zhong, LIU Cang-li, GUI Yu-lin. Sizeeffectsofexpandingringbyexplosiveloading[J]. Explosion And Shock Waves, 2010, 30(1): 39-44. doi: 10.11883/1001-1455(2010)01-0039-06
Citation: TANG Tie-gang, LI Qing-zhong, LIU Cang-li, GUI Yu-lin. Sizeeffectsofexpandingringbyexplosiveloading[J]. Explosion And Shock Waves, 2010, 30(1): 39-44. doi: 10.11883/1001-1455(2010)01-0039-06
shu

Sizeeffectsofexpandingringbyexplosiveloading

doi: 10.11883/1001-1455(2010)01-0039-06
  • 1.

    NationalKeyLaboratoryofShock WaveandDetonationPhysics,InstituteofFluidPhysics,

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NationalNaturalScienceFoundationofChina(10872187)

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  • Corresponding author: TANG Tie-gang
  • Publish Date: 2010-01-25
    Abstract
  • TheparametersofJohnson-CookmodelweremodifiedforOFHCcopperbythedataofexpandingringexperiment. Thenumericalvelocityofringisconsistentwiththeexperimentalresult. Withthewidthofringincreasingunder8mm,thepeakvalueofvelocityincreases.However,while thewidthisover8mm,thepeakvalueofvelocityarrivesataconstant,buttheslopeofvelocityvaries withthewidthofring.Whilethewidthofringistwiceofthickness,thestressstateinexpandingring satisfiestheone-dimensionalstressassunption.Theresearchshowsthatthestressstateinexpanding ringisinfluencedbythesizeofringwhileexplosiveloading.
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