Pipe

3 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Detail focus: Fatigue Crack clear all

Pipe — sub-branches

Centrifugally Cast Pipe 3Longitudinal Seam Welded Pipe 6Seamless Pipe 11

Results

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Fracture aspect after opening the cracking, in the location where the fatigue cracking was iniciated. There is a pitting corrosion, 0.3 mm depth.
58
VIEW
ML00012 / Aug.2017
Vibration Induced Fatigue in a 316/316L SS
M - Austenitic Stainless SteelP - Seamless PipeAp - OffshoreCd - Vibration Induced Fatigue
Cm - Fractography by SEMDf - Fatigue Crack
Micrographic detail, in the as polished condition, of the corrosion fatigue crack.
89
VIEW
ML00068 / Sep.2020
Corrosion Fatigue of a 5" Drill Pipe
M - Low Alloy Medium Carbon QTP - Seamless PipeAp - O&G Well DrillingCd - Corrosion Fatigue
Cm - Micrography by OMDf - Fatigue Crack
Micrography of the section transverse to the weld and in a region close to the fracture surface (to the right side of the figure). The secondary fatigue microcracks are associated to the stress concentration raisers of the margin of the weld, irregular.
110
VIEW
ML00006 / Apr.2017
Vibration Induced Fatigue in 304SS
M - Austenitic Stainless SteelP - Longitudinal Seam Welded PipeAp - PipingCd - Vibration Induced Fatigue
Cm - Micrography by OM using A262 Method ADf - Fatigue Crack