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NDT.net Issue - 2019-03 - Articles
NDT.net Issue: 2019-03
Publication: 9th Conference on Industrial Computed Tomography (iCT) 2019, 13-15 Feb, Padova, Italy (iCT 2019)
Session: Poster exhibition
Thu 16:00 Agora
ARTICLE

X-ray and FTIR µ-CTs for morphological and chemical characterization of eco-sustainable insulating foams

Sandro Donato1, Nicola Cefarin2, Andreas Reyer3, Thomas Sepperer4, Diego Dreossi2, Nicola Sodini22, Artur Surowka5,22, Giovanni Birarda2, Lisa Vaccari2, Maurizio Musso32, Gianluca Tondi42
1University of Trieste 3, Trieste, Italy
2Elettra-Sincrotrone Trieste4, Trieste, Italy
3University of Salzburg2, Salzburg, Austria
4University of Applied Science Salzburg7, Salzburg, Austria
5AGH- University of Science and Technology67, Krakow, Poland

Abstract: Here it is reported a multidisciplinary approach based on tomography and infrared techniques applied to the characterization of tannin porous rigid foams, potentially usable as new insulating materials in green building technology. With conventional x-ray tomography it was possible to preliminary evaluate the homogeneity of the samples at low resolution, while then, thanks to the synchrotron source, it was possible to obtain more detailed information at a micro-scale level. At the same time chemical characterization was done through Fourier Transform infrared (FTIR) imaging. Conventionally, FTIR imaging is limited to a planar projection, not considering the 3D structure of the material. To avoid this limitation, a FTIR 3D-tomography setup was built and the foams characterized by a chemical point of view. The idea is to directly correlate these data with the 3D-structural information obtained with the x-ray computed tomography exploiting the synchrotron radiation as source, allowing a complete characterization of the material morphology and chemistry at the microscale.

Keywords: Radiographic Testing (RT) (1532), Computed Tomography (293), FTIR (2), tannin foam, mesoscale, tomoIR,
*Keywords are freely formed keywords from the authors and thus you may Search also for similar terms.

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