Damage

2 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Standard: API Capture method: Scanning Electron Microscope Detail focus: Intergranular Cracking clear all

Damage — sub-branches

Corrosion 3Ductile Behavior 1Fabrication Defect 3Hydrogen 2

Results

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The fractography by SEM shows intergranular fracture close to the external surface of the pin.
93
VIEW
ML00009 / Sep.2017
Hydrogen Cracking of a 5" Drill Pipe S135
M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Cm - Fractography by SEMDf - Intergranular Cracking
Fractographic analysis of the pin showing a region of predominantly intergranular fracture micromechanism.
46
VIEW
ML00088 / Dec.2017
Hydrogen Cracking of an API 5D S135 Drill Pipe
M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Cm - Surface Aspect by SEMDf - Intergranular Cracking

More from these cases

ML00009 — Hydrogen Cracking of a 5" Drill Pipe S135M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Fractographic detail by SEM of the intergranular fracture close to the external surface of the pin.
83
VIEW
ML00009 / Sep.2017
Hydrogen Cracking of a 5" Drill Pipe S135
M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Cm - Fractography by SEMDf - Intergranular Cracking