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

Figure 1

Typical microstructure of WMs at welding heat inputs of (a) 10 kJ/cm and (b) 20 kJ/cm, and (c) Q690 BM.

(a)

(b)

(c)