Wear Mechanism of Abrasive Gas Jet Erosion on a Rock and the Effect of Abrasive Hardness on It

Table 1

Experimental parameters.

Pressure (MPa)	Abrasive	Abrasive mesh	Abrasive mass flow (g/s)	Standoff distance (mm)
15	Quartz sand/garnet/brown aluminum oxide/silicon carbide	80	16	100
15	Quartz sand/garnet/brown aluminum oxide/silicon carbide	80	16	120
15	Quartz sand/garnet/brown aluminum oxide/silicon carbide	80	16	150
15	Quartz sand/garnet/brown aluminum oxide/silicon carbide	80	16	200