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Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Tempered Martensite Capture method: Longitudinal Section Aspect Detail focus: Plastic Deformation clear all

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Macrography of a longitudinal section of the pipe at the fracture position, as ground, showing in the rigth side the thicker thickness and several secondary cracks opened to the external side of the pipe (created during bending), and in the left side the shearing mechanism and the thinner thickness.
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ML00159 / Mar.2020
Collapse of a Drill Pipe
M - Low Alloy Medium Carbon QTP - Drill PipeAp - O&G Well DrillingCd - Ductile Behavior
Cm - Longitudinal Section AspectDf - Plastic Deformation