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Volume 32 Issue 2
May  2014
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Article Navigation >  Explosion And Shock Waves  > 2012  >  32(2): 190-195
LI Zhong-sheng, WU Hu-lin, CHEN Yun-ru, YI Tong-bin, . Dynamicpropertiesandfracturebehaviorsof7A55aluminumalloyunderexplosiveloading[J]. Explosion And Shock Waves, 2012, 32(2): 190-195. doi: 10.11883/1001-1455(2012)02-0190-06
Citation: LI Zhong-sheng, WU Hu-lin, CHEN Yun-ru, YI Tong-bin, . Dynamicpropertiesandfracturebehaviorsof7A55aluminumalloy underexplosiveloading[J]. Explosion And Shock Waves, 2012, 32(2): 190-195. doi: 10.11883/1001-1455(2012)02-0190-06
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Dynamicpropertiesandfracturebehaviorsof7A55aluminumalloy underexplosiveloading

doi: 10.11883/1001-1455(2012)02-0190-06
  • 1.

    Aseriesofcylindertestswerecarriedouttodeterminethedynamicpropertiesof7A55aluminumalloysubjectedtointernalexplosiveloading.

  • 2.

    Thefracturemorphologyandmicrostructureof

  • 3.

    thedisruptivespecimenwereanalyzedusingthescanningelectronmicroscopyandtheopticalmicroscope.

  • 4.

    Theresultsshowthattheinternalexplosiveloading,which7A55aluminumalloycanbear,is

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  • Corresponding author: LI Zhong-sheng
  • Publish Date: 2012-03-25
    Abstract
  • Aseriesofcylindertestswerecarriedouttodeterminethedynamicpropertiesof7A55aluminumalloysubjectedtointernalexplosiveloading. Thefracturemorphologyandmicrostructureof thedisruptivespecimenwereanalyzedusingthescanningelectronmicroscopyandtheopticalmicroscope. Theresultsshowthattheinternalexplosiveloading,which7A55aluminumalloycanbear,is 360MPaontheexperimentalconditions.The7A55aluminumalloycylinderunderexplosiveloading mayundergoshearfracture,andthecrackinthecylinderspecimenandtheradialdirectionofthecylinderwalllieatanangleofabout45degrees. Thedeformationband,adiabaticshearbandsandcracks canbefoundinthemicrostructureoftheinnerwall,whichspreadalongthemaximumshearstress plane.
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