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A preparation method of functionally graded materials with phase transition under shock loading

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Abstract

The propagation of phase boundary in a material undergoing shock induced irreversible phase transition is studied theoretically using a model based on simple-mixture rule. It is found that along with the decay of the phase boundary, a functionally graded material (FGM) forms in the mixed-phase region. Such FGMs are composed of parent phase and product phase, and the composition and physical properties are changing continuously without apparent macro-interfaces. The effect of stress boundary conditions on formation of the FGM is investigated in detail with a numerical method. The possibility of producing FGMs with impact method is proposed and the limit of this method is discussed.

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Authors and Affiliations

  1. The Key Laboratory for Mechanical Behavior and Design of Materials of CAS, Department of Modern Mechanics, University of Science and Technology of China, Hefei, Anhui, 230026, China

    Z. P. Tang & X. Dai

Authors
  1. Z. P. Tang
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  2. X. Dai
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Correspondence to Z. P. Tang.

Additional information

Communicated by K. Takayama.

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Tang, Z.P., Dai, X. A preparation method of functionally graded materials with phase transition under shock loading. Shock Waves 15, 447–452 (2006). https://doi.org/10.1007/s00193-006-0048-8

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  • DOI: https://doi.org/10.1007/s00193-006-0048-8

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