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- Kim, Ju-Young
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A three-dimensional Monte Carlo model for coarsening kinetics of the bi-continuous system via surface diffusion and its application to nanoporous gold
- Author(s)
- Son, Gaeun, Son, Youngkyun, Jeon, Hansol, Kim, Ju-Young, Lee, Sukbin
- Issued Date
- 2020-01
- Citation
- SCRIPTA MATERIALIA, v.174, pp.33 - 38
- Abstract
- The coarsening of the two-phase, bi-continuous microstructure via surface diffusion is simulated using a three-dimensional Monte Carlo (MC) model. The coarsening exponent obtained from simulations initially decreases and then saturates at ~4 as the temperature increases. Kinetic analysis on nanoporous gold (np-Au) samples, annealed at 450 and 600 °C, confirms the prediction of the model. The coarsening probability ratio of np-Au between two annealing temperatures, calculated from the reported activation energy for coarsening of np-Au, is comparable to that of the model, signifying that the simulation successfully mimics the kinetic evolution of the thermally coarsened np-Au via surface diffusion.
- Publisher
- Acta Materialia Inc
- ISSN
- 1359-6462
- Keyword (Author)
- 3D Monte Carlo simulation, Bi-continuous microstructure, Coarsening kinetics, Nanoporous gold, Surface diffusion
- Keyword
- Activation energy, Coarsening, Gold, Intelligent systems, Kinetics, Monte Carlo methods, Ostwald ripening, Surface diffusion, 3D Monte Carlo simulation, Annealing temperatures, Coarsening exponents, Coarsening kinetics, Continuous system, Monte Carlo model, Nanoporous gold, Temperature increase, Three dimensional computer graphics
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