Development of a microstructural grand potential-based sintering model
Computational Materials Science, ISSN: 0927-0256, Vol: 172, Page: 109288
2020
- 40Citations
- 62Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Article Description
Microstructure is a controlling factor in the behavior of sintered materials. This work presents a quantitative phase field model of thermal sintering that predicts the evolution of the microstructure by capturing the sintering stress, GB/vacancy interactions, non-uniform diffusion, and grain coarsening without introducing a separate rigid body motion term. The model provides a mechanistic description of sintering using the grand potential phase field approach. Small test simulations are used to verify the new model against sintering theory, and they show that 3D simulations predict faster densification and coarsening than 2D simulations. 3D simulations are compared against experimental data available in the literature. The results of this comparison show that the model provides a reasonable estimate of the sintering behavior, though it overpredicts the sintering rate. This may be due to uncertainty in the material parameters and the relatively small scale of the simulation.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0927025619305877; http://dx.doi.org/10.1016/j.commatsci.2019.109288; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85072572464&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S0927025619305877; https://dx.doi.org/10.1016/j.commatsci.2019.109288
Elsevier BV
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