Hydrogen

2 cases · 4 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Austenite Capture method: Scanning Electron Microscope Detail focus: Brittle Fracture clear all

Hydrogen — sub-branches

Hydrogen Embrittlement 2

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Detail of the fracture surface, predominantly transgranular with secondary cracks of intergranular morphology.
831
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ML00078 / Jun.2017
Hydrogen Cracking of IN 718 Subsea Connector
M - NiCrFe AlloyP - ForgingAp - SubseaCd - Hydrogen Embrittlement
Cm - Fractography by SEMDf - Brittle Fracture
The secondary cracks are easily observed in the fracture surface, longitudinal to the axis of the stud.
26
VIEW
ML00075 / Jun.2018
Hydrogen Cracking of IN 718 Subsea Fasteners
M - NiCrFe AlloyP - StudAp - SubseaCd - Hydrogen Embrittlement
Cm - Fractography by SEMDf - Brittle Fracture

More from these cases

ML00078 — Hydrogen Cracking of IN 718 Subsea ConnectorM - NiCrFe AlloyP - ForgingAp - SubseaCd - Hydrogen Embrittlement
Fractography by SEM, showing intergranular and transgranular fracture micromechanisms.
72
VIEW
ML00078 / Jun.2017
Hydrogen Cracking of IN 718 Subsea Connector
M - NiCrFe AlloyP - ForgingAp - SubseaCd - Hydrogen Embrittlement
Cm - Fractography by SEMDf - Brittle Fracture
ML00075 — Hydrogen Cracking of IN 718 Subsea FastenersM - NiCrFe AlloyP - StudAp - SubseaCd - Hydrogen Embrittlement
The fracture of the stud presented both intergranular and transgranular aspects.
26
VIEW
ML00075 / Jun.2018
Hydrogen Cracking of IN 718 Subsea Fasteners
M - NiCrFe AlloyP - StudAp - SubseaCd - Hydrogen Embrittlement
Cm - Fractography by SEMDf - Brittle Fracture