In the Center of the Thickness

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Stress Corrosion clear all

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Micrography of the stub end in the middle of the thickness, outer diameter to the top of the image, presenting multiple branched cracks.
26
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ML00168 / Aug.2020
SCC of Austenitic SS Flange Stub End
M - Austenitic Stainless SteelP - Stub EndAp - Chemical IndustryCd - Stress Corrosion
Cm - Oxalic Acid Electrolytic EtchDf - In the Center of the Thickness
Micrography of a tube transverse section, at the through wall cracking position, showing intergranular morphology of the stress corrosion cracking. In the center of the thickness, far from the external surface corroded layer, the cracks are intergranular but did not present any dealloying evidence.
49
VIEW
ML00165 / Jul.2020
SCC of Aluminum Bronze Heating Coil
M - Aluminum BronzeP - Seamless tubeAp - Oil and GasCd - Stress Corrosion
Cm - FeCl3+HCl+H2O Etched MicroDf - In the Center of the Thickness