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1 case · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Pitting Corrosion Microstructure: Granular Capture method: Scanning Electron Microscope clear all

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Microscopical aspect by scanning electron microscopy (SEM) of the external surface of a drilling tool in a position that presented localized deposits and corrosion under deposit. The deep corrosion in a short time is only possible associated to the biological growth and aggressive environment generated by the microorganisms metabolites - Microbiologically Induced Corrosion (MIC).
104
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ML00135 / May.2018
MIC of a Non Magnetic Drilling Tool
M - High Mn Austenitic SteelP - Tubular ForgingAp - O&G Well DrillingCd - Pitting Corrosion
Cm - Surface Aspect by SEMDf - Localized Deposits

More from these cases

ML00135 — MIC of a Non Magnetic Drilling ToolM - High Mn Austenitic SteelP - Tubular ForgingAp - O&G Well DrillingCd - Pitting Corrosion
Microscopical aspect by scanning electron microscopy (SEM) of the external surface of a drilling tool in a position that presented localized deposits and corrosion under deposit. It is possible to see that the strain hardened surface was etched by the aggressive metabolites of the microorganisms.
90
VIEW
ML00135 / May.2018
MIC of a Non Magnetic Drilling Tool
M - High Mn Austenitic SteelP - Tubular ForgingAp - O&G Well DrillingCd - Pitting Corrosion
Cm - Surface Aspect by SEMDf - Localized Corrosion