Impact of Moisture Content on the Brittle-Ductile Transition and Microstructure of Sandstone under Dynamic Loading Conditions

Figure 15

Sandstone fracture morphology with different moisture contents at 5000 times magnification: (a) ω = 0%, (b) ω = 2.01%, (c) ω = 2.23%, (d) ω = 2.40%, (e) ω = 2.49%, (f) ω = 2.53%, and (g) ω = 2.58%.

(a)

(b)

(c)

(d)

(e)

(f)

(g)