Oxide Layer

2 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Damage Standard: UNS clear all

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Metallographic detail of the wire surface in one strand external wire, showing the presence of oxides.
39
VIEW
ML00175 / Aug.2021
Localized External Wear of a Wire Rope
M - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Wear
Cm - Nital Etched Micrography by OMDf - Oxide Layer
Polished cross-section showing rounded graphite nodules within a ferritic matrix, bordered by an irregular oxidized region at the surface edge.
910
VIEW
ML00001 / Dec.2017
Thermal Fatigue of Cast Iron
M - Nodular Cast IronP - CastAp - SiderurgyCd - Thermal Fatigue
Cm - Nital Etched Micrography by OMDf - Oxide Layer

More from these cases

ML00001 — Thermal Fatigue of Cast IronM - Nodular Cast IronP - CastAp - SiderurgyCd - Thermal Fatigue
The graphite nodules remain at the surface and the matrix was consumed during high temperature exposition.
117
VIEW
ML00001 / Dec.2017
Thermal Fatigue of Cast Iron
M - Nodular Cast IronP - CastAp - SiderurgyCd - Thermal Fatigue
Cm - Nital Etched Micrography by OMDf - Oxide Layer