Multiscale characterization of glass wools using X-ray micro-CT

被引：8
|
作者：
Meftah, Redouane [1 ,2 ]
Berger, Sylvain [2 ]
Jacqus, Gary [2 ]
Laluet, Jean-Yves [2 ]
Cnudde, Veerle [1 ,3 ]
机构：
[1] Univ Ghent, Dept Geol, UGCT PProGRess, Krijgslaan 281-S8, B-9000 Ghent, Belgium
[2] St Gobain Res Paris, Dept Opt Metrol & Math, 39 Quai Lucien Lefranc, F-93300 Aubervilliers, France
[3] Univ Utrecht, Dept Earth Sci, Chairholder Porous Media Imaging Tech, Princetonlaan 8a, NL-3584 CB Utrecht, Netherlands
来源：
MATERIALS CHARACTERIZATION | 2019年 / 156卷
关键词：
Glass wool; X-ray micro-CT; Multiscale imaging; Pore network characterization; Sound absorption; AIR-FLOW RESISTIVITY; FIBER ORIENTATION; TOMOGRAPHY IMAGES; POROUS-MEDIA; NETWORK; PERMEABILITY; PREDICTION; MODELS; REINFORCEMENTS; QUANTIFICATION;
D O I：
10.1016/j.matchar.2019.109852
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Glass wool is a fibrous material with many applications in construction. The present work compares the acoustic properties of two types of glass wool a dense and less dense one. A combination of X-ray micro-CT and simulation was used to characterize the pore structure and acoustic behavior respectively. Based on high-resolution images, we were able to non-destructively achieve quantitative 3D information on the pore network and characteristics of fibers inside glass wool. Compared to experimental measurements, it is shown that better results are obtained with scans at 1 mu m/voxel, especially on fibers diameter and characteristics lengths.
引用
收藏
页数：9
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