Progetti di ricerca ingegneria meccanica
SAMOTHRACE – “Sicilian Micro and Nano Technology Research and Innovation Center”, Progetto di Ricerca Europeo “NextGeneration EU”, Codice ECS_00000022, durata triennale (Ott. 2022- Ott. 2025), importo totale 120 Mln Euro, capofila Università di Catania, https://samothrace.eu/about-us .
DESCRIZIONE PROGETTO:
The research group of Machines Design at DICAR is involved in the SAMOTHRACE project with a specific activity focused on the Mechanical modelling of SiC-based power electronics, for stress-strain evaluations aimed at structural integrity & durability assessment.
Modern power electronics devices undergo significant thermomechanical stresses due to very high and rapidly varying currents, which result in considerable structural and reliability issues.
These devices are typically made up of assemblies of materials with significantly different thermal and mechanical properties, leading to non-uniform thermal distortions and to the generation of stress gradients and deformation fields, even at high time rates.
A detailed understanding of the mechanical behaviour of materials and their associated damage phenomena under the combined action of rapidly varying thermomechanical stresses over time could enable the development of predictive tools and design procedures for power modules that are also 'structurally aware.' This would reduce the need for expensive and time-consuming trial-and-error approaches during tuning, experimentation, engineering, and mass production of such devices.
LINKS to published papers:
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Mirone, G., Barbagallo, R., Bua, G., & La Rosa, G. (2023). Finite Element Simulation and Sensitivity Analysis of the Cohesive Parameters for Delamination Modeling in Power Electronics Packages. https://www.mdpi.com/1996-1944/16/13/4808
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Mirone, G., Barbagallo, R., Bua, G., Sitta, A., Calabretta, M., & Sequenzia, G. (2024, May). Thermal-structural Modeling of power electronic package: effects of deposition geometry and dry spot on the stress distributions. https://iopscience.iop.org/article/10.1088/1757-899X/1306/1/012012/meta