Effects of Welding Heat Input on Microstructure and Electrochemical Behavior of Flux-Cored Arc-Welded Q690 HSLA Steel

Figure 3

(a) Nyquist, (b) Bode, and (c) Bode-phase plots of WMs at different welding heat inputs and of the Q690 BM at OCP.

(a)

(b)

(c)