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Macro Oxalic Acid Electrolytic Etched

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Crevice Corrosion in a Subsea System — Aspect Before Analysis

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TryML00027 corrosion ML00176 brittle fracture ductile behavior fatigue hydrogen fracture embrittlement stress corrosion

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Atlas / Capture method / Naked Eye or Stereoscope / Macro Oxalic Acid Electrolytic Etched

Detail focus: Welded Joint ×clear all

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Macrography of the welded joint between the flange and the shell, indicating the position where the cracking was detected, at 90°.

117

ML00050 / Nov.2017

Fatigue Failure of a 316SS Pressure Stabilizer

M - Austenitic Stainless SteelP - Fabrication WeldAp - Chemical IndustryCd - Mechanical Fatigue

Cm - Macro Oxalic Acid Electrolytic EtchedDf - Welded Joint

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