Scanning Electron Microscope

2 cases · 3 images for “hydrogen”

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Fastener Detail focus: Brittle Fracture clear all

Scanning Electron Microscope — sub-branches

Fractography by SEM 3

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Fractographic aspect of the stud fracture surface, by scanning electron microscopy, close to the bottom of the thread fillet. In the center of the image it is possible to see secondary cracks with intergranular morphology.
59
VIEW
ML00136 / Jun.2018
Hydrogen Cracks of Subsea Studs
M - Low Alloy Medium Carbon QTP - FastenerAp - SubseaCd - Hydrogen Embrittlement
Cm - Fractography by SEMDf - Brittle Fracture
Microscopic aspect of the fracture, close to the bolt surface where the fracture is macroscopically brittle, presenting a predominantly intergranular fracture micromechanism.
108
VIEW
ML00074 / Jun.2018
Hydrogen Cracking of a 17-4 PH Subsea Bolt
M - Precipitation Hardened Stainless SteelP - FastenerAp - SubseaCd - Hydrogen Embrittlement
Cm - Fractography by SEMDf - Brittle Fracture

More from these cases

ML00074 — Hydrogen Cracking of a 17-4 PH Subsea BoltM - Precipitation Hardened Stainless SteelP - FastenerAp - SubseaCd - Hydrogen Embrittlement
Microscopic aspect of the fracture, in the center of the bolt, presenting partial intergranular fracture micromechanism and partial quase cleavage mechanism.
98
VIEW
ML00074 / Jun.2018
Hydrogen Cracking of a 17-4 PH Subsea Bolt
M - Precipitation Hardened Stainless SteelP - FastenerAp - SubseaCd - Hydrogen Embrittlement
Cm - Fractography by SEMDf - Brittle Fracture