Mechanical and thermal performance of aerogel-filled sandwich panels for building insulation

被引：52
|
作者：
Chen, K. [1 ]
Neugebauer, A. [2 ]
Goutierre, T. [1 ]
Tang, A. [3 ]
Glicksman, L. [2 ]
Gibson, L. J. [3 ]
机构：
[1] MIT, Dept Mech Engn, Cambridge, MA 02139 USA
[2] MIT, Dept Architecture, Cambridge, MA 02139 USA
[3] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA
来源：
ENERGY AND BUILDINGS | 2014年 / 76卷
关键词：
Mechanical characterization; Strain measurement; Polymers; Bonding; Failure; Fracture;
D O I：
10.1016/j.enbuild.2014.02.041
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Monolithic silica aerogels provide exceptional thermal insulation but have low mechanical properties. For instance, their flexural strength is typically 0.03-0.08 MPa. Here, we report on the development of a truss-core sandwich panel filled with compacted aerogel granules, designed to provide both mechanical support and thermal insulation. Mechanical and thermal properties of the sandwich panel prototype were measured and compared with theoretical models available in the literature. The models give a good description of the properties of aerogel-filled truss-core sandwich panels. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：336 / 346
页数：11
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