Fig. 7 Applicability of ANRC to investigate hygroscopic transport in highly hygromorphic composites. a) Neutron radiographs of IsoroofPavaflex-Isoroof® wood-fiber composite at the beginning (t=0 h) and end (t=17 h) of unidirectional diffusion experiment. b) Preprocessed radiographs highlight natural texture. c) Deformation uY, uX and strain fields εYY, εXX estimated across the thickness Y. d) The deformation correction (ANRC) reveals a negative moisture content ω gradient between moist and dry sample surfaces, in agreement with Fick’s Law
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