Water absorption in a fired-clay brick observed by NMR scanning

L. Pel, K. Kopinga, G. Bertram, G. Lang

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

57 Citaten (Scopus)
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The water absorption of fired-clay brick has been investigated by nuclear magnetic resonance scanning of one-dimensional moisture concentration profiles. Because of the large amount of paramagnetic ions present in these materials, the hydrogen nuclei have a very short transverse relaxation time and a broad resonance line width. Therefore standard imaging techniques cannot be applied. This paper presents the first quantitative study on these materials using nuclear magnetic resonance. It is found that the overall behaviour of the moisture diffusivity for absorption of all investigated fired-clay bricks can be approximated by an exponential function of the moisture content.
Originele taal-2Engels
Pagina's (van-tot)675-680
Aantal pagina's6
TijdschriftJournal of Physics D: Applied Physics
Nummer van het tijdschrift4
StatusGepubliceerd - 1995


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