Optical Microscope

2 cases · 20 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Seamless Pipe Condition: Corrosion Standard: ASTM clear all

Optical Microscope — sub-branches

Kalling Etched Micrography by OM 17Micrography by OM 1Micrography by OM using A262 Method A 2

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Micrography of the pipe longitudinal base metal.
148
VIEW
ML00065 / May.2017
Erosion Corrosion of Monel Piping
M - NiCu AlloyP - Seamless PipeAp - Chemical IndustryCd - Erosion Corrosion
Cm - Kalling Etched Micrography by OMDf - Base Metal Left Side
Micrography of a transverse section of the pipe, presenting the pitting corrosion. As polished.
310
VIEW
ML00014 / Apr.2017
Pitting Corrosion in 316SS Pipe
M - Austenitic Stainless SteelP - Seamless PipeAp - FPSOCd - Pitting Corrosion
Cm - Micrography by OMDf - Pitting

More from these cases

ML00065 — Erosion Corrosion of Monel PipingM - NiCu AlloyP - Seamless PipeAp - Chemical IndustryCd - Erosion Corrosion
Micrographic detail of the pipe base metal presenting a granular microstructure. Some inclusions are also visible.
142
VIEW
ML00065 / May.2017
Erosion Corrosion of Monel Piping
M - NiCu AlloyP - Seamless PipeAp - Chemical IndustryCd - Erosion Corrosion
Cm - Kalling Etched Micrography by OMDf - Base Metal Left Side
Micrography of the elbow base metal. The comparison with the pipe micrography shows an important difference of thickness.
132
VIEW
ML00065 / May.2017
Erosion Corrosion of Monel Piping
M - NiCu AlloyP - Seamless PipeAp - Chemical IndustryCd - Erosion Corrosion
Cm - Kalling Etched Micrography by OMDf - Base Metal Right Side
Elbow base metal micrographic detail presenting a granular microstructure. Like the pipe, the microstructure reveals inclusions.
106
VIEW
ML00065 / May.2017
Erosion Corrosion of Monel Piping
M - NiCu AlloyP - Seamless PipeAp - Chemical IndustryCd - Erosion Corrosion
Cm - Kalling Etched Micrography by OMDf - Base Metal Right Side
Micrography of the pipe heat affected zone. The weld metal is on the right.
91
VIEW
ML00065 / May.2017
Erosion Corrosion of Monel Piping
M - NiCu AlloyP - Seamless PipeAp - Chemical IndustryCd - Erosion Corrosion
Cm - Kalling Etched Micrography by OMDf - Fusion Line Left Side
Micrographic detail of the pipe fusion line. The pipe heat affected zone is at the bottom and the weld metal is at the top.
86
VIEW
ML00065 / May.2017
Erosion Corrosion of Monel Piping
M - NiCu AlloyP - Seamless PipeAp - Chemical IndustryCd - Erosion Corrosion
Cm - Kalling Etched Micrography by OMDf - Fusion Line Left Side

+11 more from this case →

ML00014 — Pitting Corrosion in 316SS PipeM - Austenitic Stainless SteelP - Seamless PipeAp - FPSOCd - Pitting Corrosion
Austenitic structure at the transverse section of the pipe, free from carbides.
277
VIEW
ML00014 / Apr.2017
Pitting Corrosion in 316SS Pipe
M - Austenitic Stainless SteelP - Seamless PipeAp - FPSOCd - Pitting Corrosion
Cm - Micrography by OM using A262 Method ADf - Austenite
Austenitic structure, free from carbides, exactly in the region of the pitting, indicating that the corrosion is not associated to the material microstructure.
261
VIEW
ML00014 / Apr.2017
Pitting Corrosion in 316SS Pipe
M - Austenitic Stainless SteelP - Seamless PipeAp - FPSOCd - Pitting Corrosion
Cm - Micrography by OM using A262 Method ADf - Austenite