As polished

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Standard: AISI clear all

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Etched micrograph showing a transgranular crack running across equiaxed ferrite grains with dark grain-boundary carbides.
24
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ML00171 / Feb.2021
Corrosion Fatigue of U Bolt Pipe Clamp
M - Low Carbon SteelP - BoltAp - ShipCd - Corrosion Fatigue
Cm - As polishedDf - Acicular Alpha
The as polished micrographic aspect of the corroded surface shows pitting and several microcracks, probably associated to the biological attack and material embrittlement. Replication technique.
924
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ML00092 / Sep.2017
MIC of a Valve Body
M - Martensitic Stainless SteelP - Valve BodyAp - Oil and GasCd - Brittle Behavior
Cm - As polishedDf - Microcracks