Appearance | Observation | Locations | Mechanism | |
---|---|---|---|---|
Fine cracks around studs | Cracking » Not in or near a weld » Transverse | Studded Waterwall | Thermal Fatigue | |
Circumferential cracking | Cracking » Not in or near a weld or attachment » Transverse | Waterwall | Thermal Fatigue | |
Complete failure at weld | Cracking » In or near weld or attachment » Transverse | Superheater | Dissimilar Metal Weld CreepThermal Fatigue | |
Transverse crack near support | Cracking » In or near weld or attachment » Transverse | Evaporator | Thermal Fatigue | |
Appearance | Observation | Location | Mechanism |