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Overall thermomechanical properties of layered materials for energy devices applications

Bacigalupo, A, Morini, Lorenzo and Piccolroaz, A. 2016. Overall thermomechanical properties of layered materials for energy devices applications. Composite Structures 157 , pp. 366-385. 10.1016/j.compstruct.2016.07.048

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Abstract

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: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Uncontrolled Keywords: Periodic microstructure; Asymptotic homogenization; Overall thermomechanical properties; Multi-layered battery devices
Publisher: Elsevier
ISSN: 0263-8223
Date of Acceptance: 20 July 2016
Last Modified: 04 Jun 2017 09:44
URI: http://orca-mwe.cf.ac.uk/id/eprint/98737

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