Research Article

Study of the Tensile Damage of 321 Stainless Steel for Solar Thermal Power Generation by Acoustic Emission

Figure 9

Distribution of AE energy with peak frequency: (a) range 0-48 kHz, (b) range 50-97 kHz, (c) near 149 kHz, (d) around 284 kHz, and (e) near 388 kHz.