Nital Etched Micrography by SEM

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Crevice Corrosion in a Subsea System — Aspect Before Analysis

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Micrography of the bottom of the thread fillet, presenting secondary cracks of intergranular morphology, propagating transverse to the stud axis, but presenting longitudinal openings.
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ML00136 / Jun.2018
Hydrogen Cracks of Subsea Studs
M - Low Alloy Medium Carbon QTP - FastenerAp - SubseaCd - Hydrogen Embrittlement
Cm - Nital Etched Micrography by SEMDf - Cracks