Study on Dynamic Erosion Behavior of 20# Steel of Natural Gas Gathering Pipeline

Figure 11

Impact stress contour impacted by tetrakaidecahedron particles with different equivalent diameters: (a) 50 μm, (b) 120 μm, (c) 160 μm, and (d) 200 μm.

(a)

(b)

(c)

(d)