Research Article

Pitting Corrosion of the Resistance Welding Joints of Stainless Steel Ventilation Grille Operated in Swimming Pool Environment

Figure 5

Comparison of grille surfaces observed in the heat affected zone HAZ (a, b) and in distance of HAZ (c, d). SEM-BSD and SEM-BSD-topo modes. Points 1 and 2 are locations of chemical analysis; results presented in Figure 6 and Table 2.