Evolution of Microstructure and Residual Stress under Various Vibration Modes in 304 Stainless Steel Welds

Figure 8

The microstructures in the center of the welds with various vibration frequencies: (a) 0 Hz, (b) TX-VSR 362 Hz, (c) TX-VSR 375 Hz, (d) Meta-Lax 59.3 Hz, and (e) Meta-Lax 60.9 Hz.