Sintering Process Simulation of Ag Nanoparticles by Phase Field Method
Xiao Hu (TU Delft - Electrical Engineering, Mathematics and Computer Science, Ampleon B.V)
Jianlin Huang (Ampleon B.V)
René H. Poelma (Nexperia)
Willem Dirk van Driel (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Guoqi Zhang (TU Delft - Electrical Engineering, Mathematics and Computer Science)
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Abstract
Low-temperature sintering technology of Ag nanoparticles is widely used in high-power electronic device packaging. Utilizing simulation methods to comprehend and control the microstructure and properties of Ag sintering materials has emerged as a prominent research area. This work uses the General Form PDE module in COMSOL to simplify the implementation of the phase field method. A two-particle model was established to explore the effects of different particle sizes and temperatures on the sintering neck of Ag nanoparticles. The two-particle model was expanded to multi-particle models and 3D models flexibly. This work presents the potential and limitations of these phase-field models, preparing for further multiphysics analysis and optimization of Ag sintering materials.