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2 cases · 4 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Raw Material Capture method: Surface Aspect by SEM clear all

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Scanning electron microscopy of the internal surface of the tube, showing that under the deposits there are regions of localized corrosion.
30
VIEW
ML00170 / Sep.2020
MIC in Aluminum Brass Tubes
M - Aluminum BrassP - Seamless tubeAp - MaritimeCd - Preferential Dissolution
Cm - Surface Aspect by SEMDf - Internal Surface
Aspect of the internal surface of the pipe at the welded region, showing the interface of the thinning area in the weld and the pipe base metal.
128
VIEW
ML00005 / Apr.2017
Environmental Hydrogen Damage in Ti Pipe
M - Unalloyed TitaniumP - Longitudinal Seam Welded PipeAp - PipingCd - Hydride Formation
Cm - Surface Aspect by SEMDf - Localized Thinning

More from these cases

ML00170 — MIC in Aluminum Brass TubesM - Aluminum BrassP - Seamless tubeAp - MaritimeCd - Preferential Dissolution
Microscopic detail, by scanning electron microscope, of a region where there is a localized dissolution at the internal surface of the tube. The deposits are adhered at the surface and under the deposits, the analysis indicated increased sulfur levels, suggesting SRB (sulfate reduced bacteria) effects.
31
VIEW
ML00170 / Sep.2020
MIC in Aluminum Brass Tubes
M - Aluminum BrassP - Seamless tubeAp - MaritimeCd - Preferential Dissolution
Cm - Surface Aspect by SEMDf - Pitting
Scanning electron microscopy aspect of the region inside of a pit. The aspect is of a chemical attack, generated by the metabolic by-products of the adhered microorganism. The effect is of a localized dissolution and the granular tube microsctruture is revealed.
40
VIEW
ML00170 / Sep.2020
MIC in Aluminum Brass Tubes
M - Aluminum BrassP - Seamless tubeAp - MaritimeCd - Preferential Dissolution
Cm - Surface Aspect by SEMDf - Corrosion