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Volume 29 Issue 4
Sep 2015
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Chinese Journal of High Pressure Physics  > 2015  >  29(4): 273-278.
QI Mei-Lan, RAN Xiao-Xia, BIE Bi-Xiong, FAN Duan, LI Ping. Quantify the Errors of Two-Dimensional Technique by Comparing to Three-Dimensional Measurement Method on Evaluating Damage in Shocked Ultrapure Aluminum[J]. Chinese Journal of High Pressure Physics, 2015, 29(4): 273-278. doi: 10.11858/gywlxb.2015.04.006
Citation: QI Mei-Lan, RAN Xiao-Xia, BIE Bi-Xiong, FAN Duan, LI Ping. Quantify the Errors of Two-Dimensional Technique by Comparing to Three-Dimensional Measurement Method on Evaluating Damage in Shocked Ultrapure Aluminum[J]. Chinese Journal of High Pressure Physics, 2015, 29(4): 273-278. doi: 10.11858/gywlxb.2015.04.006
shu

Quantify the Errors of Two-Dimensional Technique by Comparing to Three-Dimensional Measurement Method on Evaluating Damage in Shocked Ultrapure Aluminum

doi: 10.11858/gywlxb.2015.04.006
  • 1.

    School of Science, Wuhan University of Technology, Wuhan 430070, China

  • 2.

    High Pressure Synergetic Consortium, Advanced Photon Source of Argonne National Laboratory, Agonne 60439, USA

  • 3.

    National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621999, China

  • Received Date: 28 Mar 2014
  • Rev Recd Date: 14 Apr 2014
    Abstract
  • Traditional two-dimensional (2D) metallographic modeling method is commonly used to evaluate the spatial void distribution in shocked metals.However, its error was not quantified.This paper reports the comparison of 2D method and three-dimensional (3D) high resolution X-ray tomography method on evaluating the spatial void distribution in the shocked ultrapure aluminum with different damage degrees.A regression equation (errors vs.impact velocity) was deduced to quantify the errors and a potential correction can be made based on the equation.Therefore, caution should be exercised when using the results reported by 2D methods in the literature.

     

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