Oxalic Acid Electrolytic Etch

1 case · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Seamless Pipe Microstructure: Austenite clear all

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Low magnification micrography of a longitudinal section of the pipe at the interface,with oxalic acid electrolytic method that overetchs the low alloy steel structure (to the left side of the image), and reveals the structure of the clad interface.
49
VIEW
ML00132 / May.2018
Seamless Pipe Overlaid with Alloy 625
M - LAS / Ni AlloyP - Seamless PipeAp - Oil and GasCd - Welding
Cm - Oxalic Acid Electrolytic EtchDf - Clad Interface

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,with oxalic acid electrolytic method that reveals the structure of the clad interface. Celular structure and transgranular precipitation.
48
VIEW
ML00132 / May.2018
Seamless Pipe Overlaid with Alloy 625
M - LAS / Ni AlloyP - Seamless PipeAp - Oil and GasCd - Welding
Cm - Oxalic Acid Electrolytic EtchDf - Clad Interface
Micrographic detail of a longitudinal section of the pipe at the interface,with oxalic acid electrolytic revealing the structure of the clad interface. Celular structure and transgranular precipitation.
44
VIEW
ML00132 / May.2018
Seamless Pipe Overlaid with Alloy 625
M - LAS / Ni AlloyP - Seamless PipeAp - Oil and GasCd - Welding
Cm - Oxalic Acid Electrolytic EtchDf - Clad Interface