Offshore

2 cases · 2 images for “fracture”

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Capture method: Fracture Surface Aspect clear all

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After opening the cracking the fracture surface aspect evidences fatigue cracking propagation, starting from the external side (OD).
68
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ML00012 / Aug.2017
Vibration Induced Fatigue in a 316/316L SS
M - Austenitic Stainless SteelP - Seamless PipeAp - OffshoreCd - Vibration Induced Fatigue
Cm - Fracture Surface AspectDf - Fatigue Fracture
Aspect of the all weld metal broken tensile test conducted in the sample removed from structure close to the region where the cracking was detected, indicating that the material entrapped hydrogen for several days, since the test was conducted more than 2 weeks later than the cracking was detected.
61
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ML00010 / Oct.2017
Cold Cracks in a Gouged Weld Metal
M - Low Alloy Low Carbon QTP - Rolled PlateAp - OffshoreCd - Welding Defect
Cm - Fracture Surface AspectDf - Fish Eye