Damage

2 cases · 4 images for “corrosion”

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Alpha Capture method: Surface Aspect clear all

Damage — sub-branches

Corrosion 1

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Aspect of the external tube surface after cleaning. It is possible to see that the cracks are longitudinal to the tube and localized in positions where the surface is corroded.
132
VIEW
ML00165 / Jul.2020
SCC of Aluminum Bronze Heating Coil
M - Aluminum BronzeP - Seamless tubeAp - Oil and GasCd - Stress Corrosion
Cm - Surface AspectDf - External Surface
Detailed aspect, by a low magnification microscope, of the internal side of the tube, after longitudinal cut. The tube, that is 1.6mm thick, presented several points of localized corrosion leading to leaks.
46
VIEW
ML00170 / Sep.2020
MIC in Aluminum Brass Tubes
M - Aluminum BrassP - Seamless tubeAp - MaritimeCd - Preferential Dissolution
Cm - Surface AspectDf - Localized Corrosion

More from these cases

ML00165 — SCC of Aluminum Bronze Heating CoilM - Aluminum BronzeP - Seamless tubeAp - Oil and GasCd - Stress Corrosion
Aspect of the internal tube surface after a longitudinal cut, without cleaning. It is possible to see a clean surface inside the tube.
104
VIEW
ML00165 / Jul.2020
SCC of Aluminum Bronze Heating Coil
M - Aluminum BronzeP - Seamless tubeAp - Oil and GasCd - Stress Corrosion
Cm - Surface AspectDf - Internal Surface
Macro view of a bent tube section showing a transverse surface crack with dark staining along the crack path on the outer bend.
0
VIEW
ML00165 / Jul.2020
SCC of Aluminum Bronze Heating Coil
M - Aluminum BronzeP - Seamless tubeAp - Oil and GasCd - Stress Corrosion
Cm - Surface AspectDf - General View