Micrography by SEM

3 cases · 7 images for “corrosion”

Crevice Corrosion in a Subsea System — Aspect Before Analysis

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Detail by scanning electron microscopy of the cracks emanating from the pits in the metallographic longitudinal section of the clamp, at the surface (left side of the image).
25
VIEW
ML00171 / Feb.2021
Corrosion Fatigue of U Bolt Pipe Clamp
M - Low Carbon SteelP - BoltAp - ShipCd - Corrosion Fatigue
Cm - Micrography by SEMDf - Crack
Micrography at the scanning electron microscopy showing the deposits inside the crevice. The microanalysis by EDS revealed the presence of Fe, O, as well as Cl and S.
35
VIEW
ML00140 / May.2019
Preferential Corrosion of Pipe Seam Weld
M - Low Carbon SteelP - Longitudinal Seam Welded PipeAp - ShipCd - Preferential Dissolution
Cm - Micrography by SEMDf - Corrosion
Micrographic aspect of the pitting corrosion at the knife surface. It is possible to see the typical pitting aspect of a localized corrosion that appears as a small dot at the surface but it is a big crater under the surface.
185
VIEW
ML00054 / Dec.2018
Cutlery Corrosion
M - Martensitic Stainless SteelP - Foodstuff ArticleAp - KitchenCd - Pitting Corrosion
Cm - Micrography by SEMDf - Pitting

More from these cases

ML00171 — Corrosion Fatigue of U Bolt Pipe ClampM - Low Carbon SteelP - BoltAp - ShipCd - Corrosion Fatigue
Metallographic aspect by scanning electron microscopy of one secondary cracking, paralell to the fracture surface, growthing with an irregular path and transgranular morphologyy.
28
VIEW
ML00171 / Feb.2021
Corrosion Fatigue of U Bolt Pipe Clamp
M - Low Carbon SteelP - BoltAp - ShipCd - Corrosion Fatigue
Cm - Micrography by SEMDf - Corrosion Cracking
Metallographic aspect of one secondary cracking, paralell to the fracture surface, growthing with an irregular path and transgranular morphologyy. The main crack presents small branching and cleavage propagation with a clear influence of corrosion (hydrogen evoution) .
27
VIEW
ML00171 / Feb.2021
Corrosion Fatigue of U Bolt Pipe Clamp
M - Low Carbon SteelP - BoltAp - ShipCd - Corrosion Fatigue
Cm - Micrography by SEMDf - Corrosion Cracking
Corrosion Fatigue of U Bolt Pipe Clamp
4
VIEW
ML00171 / Feb.2021
Corrosion Fatigue of U Bolt Pipe Clamp
M - Low Carbon SteelP - BoltAp - ShipCd - Corrosion Fatigue
Cm - Micrography by SEMDf - Crack
ML00054 — Cutlery CorrosionM - Martensitic Stainless SteelP - Foodstuff ArticleAp - KitchenCd - Pitting Corrosion
Detail of the micrographic aspect of the pitting corrosion at the knife surface.
168
VIEW
ML00054 / Dec.2018
Cutlery Corrosion
M - Martensitic Stainless SteelP - Foodstuff ArticleAp - KitchenCd - Pitting Corrosion
Cm - Micrography by SEMDf - Pitting