Fig. 9 Corrosion products on the grain facets from stress-corrosion cracking (SCC) of a U-700 turbine blade, presumably from combustion-gas attack that induced SCC, with intergranular and transgranular modes shown More

Fig. 12(a) Fracture surface of reheat steam pipe showing corrosion products covering early-fracture region and freshly exposed fracture surface of weld metal. More

Fig. 12(c) Fracture surface near root pass showing corrosion products on part of fracture surface. More

Fig. 9 Corrosion products on the grain facets from SCC of a U-700 turbine blade, presumably from combustion-gas attack that induced SCC, with IG and transgranular modes shown More

Fig. 1 Corrosion products and tuberculation at the ID surface of the steel tube. More

Fig. 2 Tubercles and corrosion products at the ID surface of a flange. More

Fig. 5 EDSKas pectrograph from fracture surface corrosion products More

Fig. 7 SEM micrograph showing corrosion products in crack. 800×. More

Fig. 10 Micrograph showing two parallel cracks at the surface. Corrosion products are evident in the enlarged primary crack. 28.4×. More

Fig. 3 Fracture surface covered with corrosion products and pulp deposits. No deformation or ductility is visible next to the fracture. 8×. More

Fig. 7 SEM micrograph showing morphology of corrosion products on a grate bar. Salt loading: approximately 8 mg/cm 2 , or 0.18 oz/in 2 ; approximately 45 mol % chlorides, with the balance sulfates. More

Fig. 3 Fracture initiation site on OD of casing. Corrosion products give false impression of fatigue. More

Fig. 9 Qualitative EDS analysis of the typical pipe corrosion products (found in the unetched transverse metallographic cross section of the used new stock pipe), identifying chlorine as the primary corrosive agent More

Fig. 8 Approximately 0.51 mm (0.020 in.) from origin edge. Corrosion products as well as secondary cracking can be seen on the intergranular facets at this point. 1444× More

Fig. 1(a) Fracture surface of reheat steam pipe showing corrosion products covering early-fracture region and freshly exposed fracture surface of weld metal. More

Fig. 1(c) Fracture surface near root pass showing corrosion products on part of fracture surface. More

Fig. 3 EDX profile of the corrosion products on the surface of the pit More

Fig. 4 EDX profile of the corrosion products at a location away from the pit More

Fig. 10 ( a ) optical micrograph showing corrosion products within a propagating crack, and ( b ) EDX spectrum of the corrosion products More

Fig. 3 Scanning electron micrograph of pin showing corrosion and corrosion product. More