4D imaging of a porous carbonate rock under triaxial loading: quantitative correlation between local porosity and strain

Doré-Ossipyan, C.; Quacquarelli, A.; Bornert, M.; Sulem, J.; Dimanov, A.; Aimedieu, P.; De Greef, V.; King, A.

doi:10.1107/S1600577526006958

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Figure 7
(a) Porosity reduction, obtained by subtracting mean grey levels, versus volumetric strain for three samples. (b) $[{\rm{Tr}}\,(\,\underline{\underline{\epsilon}}\,)]$ versus det(F) − 1 for three samples failing in different regimes. The arrows in both graphs indicate onset of plasticity, correlated with a deviation from linearity, illustrated by the x = y line. P = porous sample, D = dense sample.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 33| Part 5| September 2026|

https://doi.org/10.1107/S1600577526006958

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