Fig. 8
Curves of stress, AE energy, and AE cumulative energy under varying gas pressures: (a) 1.0 MPa; (b) 1.4 MPa; (c) 1.8 MPa; (d) 2.2 MPa.
Fig. 8 | Scientific Reports
Curves of stress, AE energy, and AE cumulative energy under varying gas pressures: (a) 1.0 MPa; (b) 1.4 MPa; (c) 1.8 MPa; (d) 2.2 MPa.
