Damage

1 case · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Acicular Ferrite Capture method: Scanning Electron Microscope clear all

Damage — sub-branches

Cracking 1Pitting 1

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Micrographic detail, by scanning electron micrography, of the pitting corrosion generating cracks, typical of a corrosion fatigue mechanism.
156
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ML00163 / Jun.2020
Corrosion Fatigue of a Boiler Waterwall Tube
M - Low Carbon SteelP - Seamless tubeAp - BoilerCd - Corrosion Fatigue
Cm - Nital Etched Micrography by SEMDf - Pitting

More from these cases

ML00163 — Corrosion Fatigue of a Boiler Waterwall TubeM - Low Carbon SteelP - Seamless tubeAp - BoilerCd - Corrosion Fatigue
Micrographic detail, by scanning electron microscopy, of the external tube surface, presenting the crack at the weld margin. The microstructure if ferritic in the left side (weld metal) and bainitic in the right side of the crack (heat affected zone).
90
VIEW
ML00163 / Jun.2020
Corrosion Fatigue of a Boiler Waterwall Tube
M - Low Carbon SteelP - Seamless tubeAp - BoilerCd - Corrosion Fatigue
Cm - Nital Etched Micrography by SEMDf - Cracking