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Bai Jinsong Da Chengda. Calculation and analysis of the Mg-W GDI complex loading experiment[J]. Chinese Journal of Theoretical and Applied Mechanics, 2010, 42(6): 1068-1073. DOI: 10.6052/0459-1879-2010-6-lxxb2009-351
Citation: Bai Jinsong Da Chengda. Calculation and analysis of the Mg-W GDI complex loading experiment[J]. Chinese Journal of Theoretical and Applied Mechanics, 2010, 42(6): 1068-1073. DOI: 10.6052/0459-1879-2010-6-lxxb2009-351
shu

Calculation and analysis of the Mg-W GDI complex loading experiment

  • 1.

    National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621900 , China

  • 2.

    State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China

  • Received Date: June 07, 2009
  • Revised Date: April 05, 2010
    Graphical Abstract
    • Abstract
  • A Mg-W material system graded density impactor (GDI) forthe complexity loading experiment was designed by means of numericalsimulation with elastic-plastic fluid dynamics calculation method. Byconsidering the technical restriction of minimum thickness of a discretelayer and the limitation of compact condition in maximum mixing rate betweenthe two individual constituents in the actual material fabrication, a set ofpreparation parameters for twelve-different-constituent Mg-W system GDI aregiven. One experiment of shock loading and quasi-isentropic compression forthe presented GDI on a gas gun was performed. And the velocity of interfacebetween the flyer and LiF window was provided by VISAR or DISAR technology.Through the comparison between the computational results and theexperimental data, analysis and verification are implemented for singularphenomena. As a result, a proposal using Mg-Cu material system to fabricatethe flyer is put forward. The project is helpful for the furtherexperimental study with loading/unloading controllable path and controllablerate.
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