Subsea

2 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Martensite Capture method: Fracture Surface Aspect clear all

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Macroscopic aspect of the fracture surface, showing a brittle behavior (chevron marks) and a starting point at the bottom of the groove in the right side of the figure.
42
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ML00080 / Sep.2017
MIC of Stacking Disc Springs
M - Low Alloy Medium Carbon QTP - SpringAp - SubseaCd - Brittle Behavior
Cm - Fracture Surface AspectDf - Brittle Fracture
Macroscopic detail of the fracture surface with a starting point at the external surface of the pin.
82
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ML00009 / Sep.2017
Hydrogen Cracking of a 5" Drill Pipe S135
M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Cm - Fracture Surface AspectDf - Brittle Fracture

More from these cases

ML00080 — MIC of Stacking Disc SpringsM - Low Alloy Medium Carbon QTP - SpringAp - SubseaCd - Brittle Behavior
Detail of the fracture starting point, in the bottom of the groove, where there is a pit about 0.5 mm depth.
36
VIEW
ML00080 / Sep.2017
MIC of Stacking Disc Springs
M - Low Alloy Medium Carbon QTP - SpringAp - SubseaCd - Brittle Behavior
Cm - Fracture Surface AspectDf - Brittle Fracture