Damage

4 cases · 4 images for “fatigue”

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Capture method: Surface Aspect Detail focus: Damage clear all

Damage — sub-branches

Corrosion 7Fatigue 12

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Higher magnification macrography (in a stereoscope) of the surface exposed to the combustion chamber, presenting multiple cracks perpendicular to the internal diamater of the tube (left side of the figure). The cracks are located in the tube and propagated into the tube wall and welded joint.
75
VIEW
ML00119 / Feb.2018
Thermal Fatigue of a Marine Boiler
M - Low Carbon SteelP - Fabrication WeldAp - ShipCd - Thermal Fatigue
Cm - Surface AspectDf - Thermal Fatigue Cracks
Low magnification microscopy (stereoscope) detail of the multiple cracks at the pin surface.
146
VIEW
ML00085 / Nov.2017
Corrosion Fatigue of a Martensitic SS Pin
M - Martensitic Stainless SteelP - Forged PinAp - O&G Well DrillingCd - Corrosion Fatigue
Cm - Surface AspectDf - Multiple cracks
Pipe body surface, adjacent to the fracture, showing regions of corrosion and visual cracks transverse to the pipe axis.
29
VIEW
ML00169 / Nov.2020
Drill Pipe Fracture in the Pipe Body
M - Low Alloy Medium Carbon QTP - Drill PipeAp - O&G Well DrillingCd - Corrosion Fatigue
Cm - Surface AspectDf - Cracks
Macroscopic detail of the fractured tooth, showing several longitudinal cracks in the contact surfaces, suggesting the occurrence of spalling damage.
44
VIEW
ML00181 / Apr.2022
Wear of a Carburized Hypoid Gear
M - Low Alloy for Thermochemical TreatmentP - Pinion-crown assemblyAp - ShipCd - Wear
Cm - Surface AspectDf - Fatigue Crack