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Chinese Journal of High Pressure Physics  > 2003  >  17(2): 111-116 .
DAI Xiang-Yu, TANG Zhi-Ping. Formation of Functionally Graded Material during the Propagation of Phase Boundary under Shock Loading[J]. Chinese Journal of High Pressure Physics, 2003, 17(2): 111-116 . doi: 10.11858/gywlxb.2003.02.006
Citation: DAI Xiang-Yu, TANG Zhi-Ping. Formation of Functionally Graded Material during the Propagation of Phase Boundary under Shock Loading[J]. Chinese Journal of High Pressure Physics, 2003, 17(2): 111-116 . doi: 10.11858/gywlxb.2003.02.006
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Formation of Functionally Graded Material during the Propagation of Phase Boundary under Shock Loading

doi: 10.11858/gywlxb.2003.02.006

  • The Key Laboratory for Mechanical Behavior and Design of Materials of CAS, Department of Mechanics and Mechanical Engineering, University of Science and Technology of China, Hefei 230027, China

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  • Corresponding author: DAI Xiang-Yu
  • Received Date: 17 Sep 2002
  • Rev Recd Date: 14 Nov 2002
  • Publish Date: 05 Jun 2003
    Abstract
  • The propagation of shock-induced phase boundary in a material undergoing irreversible phase transition was studied theoretically using a model based on simple-mixture rule. It was found that along with the decay of the phase boundary, the functionally graded material (FGM) formed in the mixed-phase region. Such FGMs are composed of original phase and product phase, and the composition and physical properties are changing continuously with the coordinate without apparent macro-interfaces between two phases. The effect of stress boundary conditions of impact loading on the grade and range of the FGM region was investigated in detail with a numerical method. Finally, the possibility of producing FGMs with impact method was proposed and the limit of this method has been discussed.

     

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