Research Article

A Damage Constitutive Model for the Effects of CO2-Brine-Rock Interactions on the Brittleness of a Low-Clay Shale

Figure 5

The transformed axial stress-axial strain curves without a crack closure stage. (a) Intact samples and samples with subcritical CO2 + NaCl solution. (b) Intact samples and samples with supercritical CO2 + NaCl solution.
(a)
(b)