API

2 cases · 8 images for “embrittlement”

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Capture method: Scanning Electron Microscope clear all

API — sub-branches

5D 2

Results

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The fractography by SEM shows intergranular fracture close to the external surface of the pin.
93
VIEW
ML00009 / Sep.2017
Hydrogen Cracking of a 5" Drill Pipe S135
M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Cm - Fractography by SEMDf - Intergranular Cracking
Fractographic analysis of the pin fracture surface showing inter and transgranular morphologies of fracture micromechanisms.
53
VIEW
ML00088 / Dec.2017
Hydrogen Cracking of an API 5D S135 Drill Pipe
M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Cm - Fractography by SEMDf - Brittle Fracture

More from these cases

ML00009 — Hydrogen Cracking of a 5" Drill Pipe S135M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Fractographic detail by SEM of the intergranular fracture close to the external surface of the pin.
83
VIEW
ML00009 / Sep.2017
Hydrogen Cracking of a 5" Drill Pipe S135
M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Cm - Fractography by SEMDf - Intergranular Cracking
The fractography by SEM shows quasecleavage mechanism in the middle of the wall thickness of the pin.
81
VIEW
ML00009 / Sep.2017
Hydrogen Cracking of a 5" Drill Pipe S135
M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Cm - Fractography by SEMDf - Transgranular Cracking
Fractographic detail by SEM of the quasecleavage mechanism in the middle of the wall thickness of the pin.
74
VIEW
ML00009 / Sep.2017
Hydrogen Cracking of a 5" Drill Pipe S135
M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Cm - Fractography by SEMDf - Transgranular Crack
ML00088 — Hydrogen Cracking of an API 5D S135 Drill PipeM - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Fractographic analysis of the pin showing several secondary intergranular cracks (in the middle of the figure) and quasecleavage transgranular fracture mechanism.
45
VIEW
ML00088 / Dec.2017
Hydrogen Cracking of an API 5D S135 Drill Pipe
M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Cm - Surface Aspect by SEMDf - Brittle Fracture
Fractographic analysis of the pin detailing a region of predominantly quasecleavage fracture micromechanism, associated to a macroscopic flat fracture surface.
46
VIEW
ML00088 / Dec.2017
Hydrogen Cracking of an API 5D S135 Drill Pipe
M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Cm - Surface Aspect by SEMDf - Cleavage Facets
Fractographic analysis of the pin showing a region of predominantly intergranular fracture micromechanism.
46
VIEW
ML00088 / Dec.2017
Hydrogen Cracking of an API 5D S135 Drill Pipe
M - Low Alloy Medium Carbon QTP - Drill PipeAp - SubseaCd - Hydrogen Embrittlement
Cm - Surface Aspect by SEMDf - Intergranular Cracking