Effect of Hydrothermal Coupling on Physical and Dynamic Mechanical Properties of Sandstone

Figure 2

SEM and EDS observation of sandstone after H-C cycles: (a) 20°C (SEM 200 μm and 50 μm), (b) 20°C (EDS 100 μm), (c) after 40 cycles in L-T group (SEM 50 μm), (d) after 40 cycles in L-T group (EDS 500 μm), (e) after 40 cycles in M-T group (SEM 50 μm), (f) after 40 cycles in M-T group (EDS 500 μm), (g) after 12 cycles in H-T group (SEM 50 μm), and (h) after 12 cycles in H-T group (EDS 500 μm).

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