Atlas

2 cases · 8 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Corrosion Microstructure: Austenite Detail focus: Pitting clear all

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Nitronic 60 cylinder. Detailed aspect of the pitting in a low magnification microscope.
197
VIEW
ML00121 / Feb.2018
Pitting Corrosion in a Subsea System
M - Austenitic / MartensiticP - Rod & CylinderAp - SubseaCd - Pitting Corrosion
Cm - Surface AspectDf - Pitting
Transverse section of the 2" diameter pipe at the pitting location. The pipe was leaking.
1323
VIEW
ML00014 / Apr.2017
Pitting Corrosion in 316SS Pipe
M - Austenitic Stainless SteelP - Seamless PipeAp - FPSOCd - Pitting Corrosion
Cm - Transverse Section AspectDf - Pitting

More from these cases

ML00121 — Pitting Corrosion in a Subsea SystemM - Austenitic / MartensiticP - Rod & CylinderAp - SubseaCd - Pitting Corrosion
17-4 PH rod. Detailed aspect of the pitting in a low magnification microscope.
115
VIEW
ML00121 / Feb.2018
Pitting Corrosion in a Subsea System
M - Austenitic / MartensiticP - Rod & CylinderAp - SubseaCd - Pitting Corrosion
Cm - Surface AspectDf - Pitting
17-4 PH rod, tubular, OD 10.6mm, wall thickness about 3.5 mm. Macrography of the rod in a transverse section showing the pitting in a position where it is almost through wall.
86
VIEW
ML00121 / Feb.2018
Pitting Corrosion in a Subsea System
M - Austenitic / MartensiticP - Rod & CylinderAp - SubseaCd - Pitting Corrosion
Cm - Kalling Etched MacroDf - Pitting
17-4 PH rod. Micrography of the longitudinal section close to the surface, presenting the roughness (the waves at the surface) and a region where a pitting was still in the beginning, not related to any specific microstructure.
70
VIEW
ML00121 / Feb.2018
Pitting Corrosion in a Subsea System
M - Austenitic / MartensiticP - Rod & CylinderAp - SubseaCd - Pitting Corrosion
Cm - Kalling Etched Micrography by OMDf - Pitting
17-4 PH rod. Surface aspect by scanning electron microscopy showing a region where the passivation layer was destroyed and a pitting was in the begining.
86
VIEW
ML00121 / Feb.2018
Pitting Corrosion in a Subsea System
M - Austenitic / MartensiticP - Rod & CylinderAp - SubseaCd - Pitting Corrosion
Cm - Surface Aspect by SEMDf - Pitting
ML00014 — Pitting Corrosion in 316SS PipeM - Austenitic Stainless SteelP - Seamless PipeAp - FPSOCd - Pitting Corrosion
Image of the external surface of the pipe presenting the aspect of the localized corrosion by pitting.
297
VIEW
ML00014 / Apr.2017
Pitting Corrosion in 316SS Pipe
M - Austenitic Stainless SteelP - Seamless PipeAp - FPSOCd - Pitting Corrosion
Cm - Surface Aspect by SEMDf - Pitting
Micrography of a transverse section of the pipe, presenting the pitting corrosion. As polished.
310
VIEW
ML00014 / Apr.2017
Pitting Corrosion in 316SS Pipe
M - Austenitic Stainless SteelP - Seamless PipeAp - FPSOCd - Pitting Corrosion
Cm - Micrography by OMDf - Pitting