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Overall thermomechanical properties of layered materials for energy devices applications

Bacigalupo, Andrea and Morini, Lorenzo and Piccolroaz, Amdrea Overall thermomechanical properties of layered materials for energy devices applications. Working Paper arXiv (Submitted)

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This paper is concerned with the analysis of effective thermomechanical properties of multi- layered materials of interest for solid oxide fuel cells (SOFC) and lithium ions batteries fabrication. The recently developed asymptotic homogenization procedure is applied in order to express the overall thermoelastic constants of the first order equivalent continuum in terms of microfluctuations functions, and these functions are obtained by the solution of the corresponding recursive cell problems. The effects of thermal stresses on periodic multi-layered thermoelastic composite reproducing the characteristics of solid oxide fuel cells (SOFC-like) are studied assuming periodic body forces and heat sources, and the solution derived by means of the asymptotic homogenization approach is compared with the results obtained by finite elements analysis of the associate heterogeneous material.

Item Type: Working Paper (Working Paper)
Identification Number: arXiv:1608.01078
Subjects: T Technology > T Technology (General)
T Technology > TJ Mechanical engineering and machinery
Research Area: Computer Science and Applications
Depositing User: Caterina Tangheroni
Date Deposited: 21 Mar 2017 12:08
Last Modified: 21 Mar 2017 12:08
URI: http://eprints.imtlucca.it/id/eprint/3671

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