Fatigue Fracture

3 cases · 3 images for “corrosion”

Crevice Corrosion in a Subsea System — Aspect Before Analysis

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Micrographic detail of a secondary cracking close to the fracture position. The crack presents no plastic deformation, is slightly branched and filled with products.
52
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ML00085 / Nov.2017
Corrosion Fatigue of a Martensitic SS Pin
M - Martensitic Stainless SteelP - Forged PinAp - O&G Well DrillingCd - Corrosion Fatigue
Cm - Kalling Etched Micrography by OMDf - Fatigue Fracture
Detail of the fracture surface presenting a fatigue propagation from the outside of the tool.
69
VIEW
ML00082 / Dec.2017
Corrosion Fatigue of a Drilling Tool
M - Low Alloy Medium Carbon QTP - Tubular ForgingAp - O&G Well DrillingCd - Corrosion Fatigue
Cm - Aspect Before AnalysisDf - Fatigue Fracture
Pipe fracture, flat, at the region of subcritical crack growth.
68
VIEW
ML00169 / Nov.2020
Drill Pipe Fracture in the Pipe Body
M - Low Alloy Medium Carbon QTP - Drill PipeAp - O&G Well DrillingCd - Corrosion Fatigue
Cm - Aspect Before AnalysisDf - Fatigue Fracture