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NaOH Electrolytic Etched Micro

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Crevice Corrosion in a Subsea System — Aspect Before Analysis

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TryML00140 corrosion ML00172 brittle fracture ductile behavior fatigue hydrogen fracture embrittlement stress corrosion

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Atlas / Capture method / Optical Microscope / NaOH Electrolytic Etched Micro

Detail focus: Fusion Line Left Side ×clear all

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Micrography of the tubing fusion line. The welding was conducted in two passes. The average hardness at the heat affected zone of the tubing is 257 HV5.

825

ML00100 / Nov.2017

Superduplex Tubing to Forging Welded Joint

M - Super Duplex Stainless SteelP - Fabrication WeldAp - SubseaCd - Welding

Cm - NaOH Electrolytic Etched MicroDf - Fusion Line Left Side

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