Silesian University of Technology
The yttria-stabilized zirconia (YSZ) material has enhanced mechanical, thermal and electrical properties. They have application in the manufacturing of air heaters, furnaces, fuel cells, etc. The performance and degradation of this material is directly linked with the thermodynamic behaviour and damage of the microstructure along with the effects of thermal loads, boundary conditions, and phase during the failure. There is implementations of phase-field modelling in the solid-state microstructure evolution by comparing and then validating with the experimental data. This enables capability of quantitative predictions by phase-field modelling in order to make a connection among processing and microstructure. The microstructure evolution alters the physio-chemical properties of the materials. This study utilize experimentally quantified Electron Backscatter Diffraction (EBSD) graphs of 3D printed electrode materials in phase field modelling to evaluate microstructure phase evolution. The experimental EBSD images are first converted into Finite Element Method (FEM) mesh structure with the help of DREAM 3D. This mesh file is readable by MOOSE framework for the phase field simulations. Similarly, a thermodynamic data of YSZ materials is extracted from the database using pycalphad. Then finally a phase evolution in this material is studied via phase field method.
Abstract
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