Overall thermomechanical properties of layered materials for energy devices applications

被引：13
作者：
Bacigalupo, A. [1 ]
Morini, L. [1 ]
Piccolroaz, A. [2 ]
机构：
[1] IMT Sch Adv Studies, Lucca, Italy
[2] Univ Trento, Dept Civil Environm & Mech Engn, Trento, Italy
来源：
COMPOSITE STRUCTURES | 2016年 / 157卷
关键词：
Periodic microstructure; Asymptotic homogenization; Overall thermomechanical properties; Multi-layered battery devices; 2ND-ORDER COMPUTATIONAL HOMOGENIZATION; OXIDE FUEL-CELLS; ELASTIC COMPOSITE-MATERIALS; ASYMPTOTIC HOMOGENIZATION; HETEROGENEOUS MATERIALS; DYNAMIC HOMOGENIZATION; 2-SCALE HOMOGENIZATION; MULTIPHASE MATERIALS; WAVE-PROPAGATION; PERIODIC MASONRY;
D O I：
10.1016/j.compstruct.2016.07.048
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
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. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：366 / 385
页数：20
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