Chromic Acid Electrolytic Etched

1 case · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Dendritic Standard: API clear all

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Low magnification micrography of a longitudinal section of the pipe at the interface between overlay layers, with electrolytic etch that reveals the Ni alloy structure, large columnar grains with celular morphology.
66
VIEW
ML00132 / May.2018
Seamless Pipe Overlaid with Alloy 625
M - LAS / Ni AlloyP - Seamless PipeAp - Oil and GasCd - Welding
Cm - Chromic Acid Electrolytic EtchedDf - Weld Metal

More from these cases

ML00132 — Seamless Pipe Overlaid with Alloy 625M - LAS / Ni AlloyP - Seamless PipeAp - Oil and GasCd - Welding
Micrography of a longitudinal section of the pipe at the interface between overlay layers, with electrolytic etch that reveals the Ni alloy structure, large grains with celular dendritic morphology.
52
VIEW
ML00132 / May.2018
Seamless Pipe Overlaid with Alloy 625
M - LAS / Ni AlloyP - Seamless PipeAp - Oil and GasCd - Welding
Cm - Chromic Acid Electrolytic EtchedDf - Weld Metal
Micrographic detail of a longitudinal section of the pipe in the overlay weld metal, with electrolytic etch that reveals the Ni alloy structure with celular dendritic morphology and precipitates.
48
VIEW
ML00132 / May.2018
Seamless Pipe Overlaid with Alloy 625
M - LAS / Ni AlloyP - Seamless PipeAp - Oil and GasCd - Welding
Cm - Chromic Acid Electrolytic EtchedDf - Weld Metal