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Observation
Location
Mechanism
Appearance | Observation | Locations | Mechanism | |
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Fine cracks around studs | Cracking » Transverse » Not in or near a weld | Studded Waterwall | Thermal Fatigue |
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Forming lap at tube OD | Not in or near a weld » Cracking » Longitudinal | Waterwall | Material Defect |
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Multiple tight fine cracks | Cracking » Longitudinal » Not in or near a weld | Superheater | Stress Corrosion Cracking |
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Fish-mouth rupture | Cracking » Not in or near a weld | ReheaterSuperheater | Short-Term Overheat |
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Fish-mouth opening | Not in or near a weld » Cracking » Longitudinal | Waterwall | Hot Tensile Overload |
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Irregular cracking | Cracking » Not in or near a weld | Superheater | Creep |
Appearance | Observation | Location | Mechanism |