Fractography by SEM

2 cases · 5 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Application: Oil and Gas Microstructure: Alpha Detail focus: Damage clear all

Results

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Low magnification image by scanning electron microscopy. In the bottom of the image the fracture appearance is brittle and presenting several secondary cracks. In the top of the image the fracture is fully flat, also without macroscopic plastic deformation.
33
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ML00176 / Nov.2021
Hydride Formation in a Titanium Blade
M - Unalloyed TitaniumP - BladeAp - Oil and GasCd - Hydride Formation
Cm - Fractography by SEMDf - Fracture
The through wall cracking was opened and the fracture surface presents a full integranular morphology, typical of an intergranular stress corrosion cracking.
79
VIEW
ML00165 / Jul.2020
SCC of Aluminum Bronze Heating Coil
M - Aluminum BronzeP - Seamless tubeAp - Oil and GasCd - Stress Corrosion
Cm - Fractography by SEMDf - Stress Corrosion Cracks

More from these cases

ML00176 — Hydride Formation in a Titanium BladeM - Unalloyed TitaniumP - BladeAp - Oil and GasCd - Hydride Formation
The position of the fracture at the starting point of the failure is brittle, transgranular, with a cleavage/quase-cleavage morphology.
24
VIEW
ML00176 / Nov.2021
Hydride Formation in a Titanium Blade
M - Unalloyed TitaniumP - BladeAp - Oil and GasCd - Hydride Formation
Cm - Fractography by SEMDf - Cleavage Facets
SEM fractograph showing a cleavage facet with radiating river-pattern markings and scattered fine surface particles.
1
VIEW
ML00176 / Nov.2021
Hydride Formation in a Titanium Blade
M - Unalloyed TitaniumP - BladeAp - Oil and GasCd - Hydride Formation
Cm - Fractography by SEMDf - Cleavage Facets
ML00165 — SCC of Aluminum Bronze Heating CoilM - Aluminum BronzeP - Seamless tubeAp - Oil and GasCd - Stress Corrosion
Fractographic detail of the through wall cracking after opening, presenting a full integranular morphology, typical of an intergranular stress corrosion cracking.
79
VIEW
ML00165 / Jul.2020
SCC of Aluminum Bronze Heating Coil
M - Aluminum BronzeP - Seamless tubeAp - Oil and GasCd - Stress Corrosion
Cm - Fractography by SEMDf - Stress Corrosion Cracks