Scanning Electron Microscope

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Bolt Condition: Damage Detail focus: Ductile Fracture clear all

Scanning Electron Microscope — sub-branches

Fractography by SEM 2

Results

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Fractographic detailed aspect of the rough part of the fracture surface, presenting ductile dimples. This is the final fracture, by overload.
137
VIEW
ML00130 / Jun.2018
Fatigue Fracture of Overloaded Bolts
M - Low Alloy Medium Carbon QTP - FastenerAp - O&G Well DrillingCd - Mechanical Fatigue
Cm - Fractography by SEMDf - Ductile Fracture
Microscopic aspect of the fracture, close to the bolt surface where the fracture is macroscopically ductile (probably the final fracture), presenting dimples as the fracture micromechanism.
89
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 - Ductile Fracture