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Simulation of interdiffusion and voids growth based on cellular automata

Author

Listed:
  • Zhang, Fan
  • Zhang, Boyan
  • Zhang, Nan
  • Du, Haishun
  • Zhang, Xinhong

Abstract

In the interdiffusion of two solid-state materials, if the diffusion coefficients of the two materials are not the same, the interface of the two materials will shift to the material with the lower diffusion coefficient. This effect is known as the Kirkendall effect. The Kirkendall effect leads to Kirkendall porosity. The pores act as sinks for vacancies and become voids. In this paper, the movement of the Kirkendall plane at interdiffusion is simulated based on cellular automata. The number of vacancies, the critical radius of voids nucleation and the nucleation rate are analysed. The vacancies diffusion, vacancies aggregation and voids growth are also simulated based on cellular automata.

Suggested Citation

  • Zhang, Fan & Zhang, Boyan & Zhang, Nan & Du, Haishun & Zhang, Xinhong, 2017. "Simulation of interdiffusion and voids growth based on cellular automata," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 468(C), pages 832-838.
    • Handle: RePEc:eee:phsmap:v:468:y:2017:i:c:p:832-838
    DOI: 10.1016/j.physa.2016.11.086
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    References listed on IDEAS

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    1. Wierzba, B. & Skibiński, W. & Wedrychowicz, S. & Wierzba, P., 2015. "The voids kinetics during diffusion process," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 433(C), pages 268-273.
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    1. Zhang, Fan & Zhang, Boyan & Chen, Xiaopan & Zhang, Xinhong & Zhu, Xiaoke & Du, Haishun, 2020. "Computational simulation of voids formation and evolution in Kirkendall effect," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 554(C).

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