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47 cases · 98 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Finished Product Capture method: Aspect Before Analysis Detail focus: Damage clear all

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Detail of the fracture in the WHEEL 1, changing direction of propagation.
71
VIEW
ML00183 / Dec.2022
Ductile Behavior of an Aluminum Wheel
M - Aluminum Silicon MagnesiumP - CastingAp - AutomotiveCd - Ductile Behavior
Cm - Aspect Before AnalysisDf - Fracture
Detail of the flat fracture from the notch at the bottom of the recess. No plastic deformation.
113
VIEW
ML00182 / Jul.2022
Brittle Fracture of a LAS Fixing Rod
M - Low Alloy Medium Carbon QTP - StemAp - Mechanical IndustryCd - Brittle Fracture
Cm - Aspect Before AnalysisDf - Brittle Fracture
Wear of a Carburized Hypoid Gear
1
VIEW
ML00181 / Apr.2022
Wear of a Carburized Hypoid Gear
M - Low Alloy for Thermochemical TreatmentP - Pinion-crown assemblyAp - ShipCd - Wear
Cm - Aspect Before AnalysisDf - Cracks
The rotor blade failed without deformation. At the rotor surface it is possible to see different colours of deposits.
53
VIEW
ML00176 / Nov.2021
Hydride Formation in a Titanium Blade
M - Unalloyed TitaniumP - BladeAp - Oil and GasCd - Hydride Formation
Cm - Aspect Before AnalysisDf - Fracture
Detail of the cracks associated to deformed regions in the outer wire of a strand.
40
VIEW
ML00175 / Aug.2021
Localized External Wear of a Wire Rope
M - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Wear
Cm - Aspect Before AnalysisDf - Cracks
Aspect of the fracture of the spring. The spring surface shows shallow pits.
49
VIEW
ML00172 / Mar.2021
Brittle Fracture of a LAS Valve Spring
M - Low Alloy Medium Carbon QTP - SpringAp - Oil and GasCd - Brittle Fracture
Cm - Aspect Before AnalysisDf - Fracture
Detailed aspect of the fractured position, in a region where the clamp was no longer coated and there is no insert in the groove (at the internal clamp diameter). The fracture is transverse to the clamp axis.
86
VIEW
ML00171 / Feb.2021
Corrosion Fatigue of U Bolt Pipe Clamp
M - Low Carbon SteelP - BoltAp - ShipCd - Corrosion Fatigue
Cm - Aspect Before AnalysisDf - 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

More from these cases

ML00183 — Ductile Behavior of an Aluminum WheelM - Aluminum Silicon MagnesiumP - CastingAp - AutomotiveCd - Ductile Behavior
Detail of the crack in the WHEEL 2, changing direction of propagation exactly like the other whel.
66
VIEW
ML00183 / Dec.2022
Ductile Behavior of an Aluminum Wheel
M - Aluminum Silicon MagnesiumP - CastingAp - AutomotiveCd - Ductile Behavior
Cm - Aspect Before AnalysisDf - Cracking
ML00182 — Brittle Fracture of a LAS Fixing RodM - Low Alloy Medium Carbon QTP - StemAp - Mechanical IndustryCd - Brittle Fracture
Flat fracture, no plastic deformation, at the notch in the recess.
63
VIEW
ML00182 / Jul.2022
Brittle Fracture of a LAS Fixing Rod
M - Low Alloy Medium Carbon QTP - StemAp - Mechanical IndustryCd - Brittle Fracture
Cm - Aspect Before AnalysisDf - Brittle Fracture
Brittle Fracture of a LAS Fixing Rod
2
VIEW
ML00182 / Jul.2022
Brittle Fracture of a LAS Fixing Rod
M - Low Alloy Medium Carbon QTP - StemAp - Mechanical IndustryCd - Brittle Fracture
Cm - Aspect Before AnalysisDf - Fracture
Brittle Fracture of a LAS Fixing Rod
5
VIEW
ML00182 / Jul.2022
Brittle Fracture of a LAS Fixing Rod
M - Low Alloy Medium Carbon QTP - StemAp - Mechanical IndustryCd - Brittle Fracture
Cm - Aspect Before AnalysisDf - Fracture
Brittle Fracture of a LAS Fixing Rod
0
VIEW
ML00182 / Jul.2022
Brittle Fracture of a LAS Fixing Rod
M - Low Alloy Medium Carbon QTP - StemAp - Mechanical IndustryCd - Brittle Fracture
Cm - Aspect Before AnalysisDf - Fracture
ML00176 — Hydride Formation in a Titanium BladeM - Unalloyed TitaniumP - BladeAp - Oil and GasCd - Hydride Formation
Detail of the fracture surface, dark in the root of the blade, presenting a brittle aspect and indication that it started from this position.
39
VIEW
ML00176 / Nov.2021
Hydride Formation in a Titanium Blade
M - Unalloyed TitaniumP - BladeAp - Oil and GasCd - Hydride Formation
Cm - Aspect Before AnalysisDf - Fracture
View of the shaft inserted in the rotor body, and deposits of different colours.
22
VIEW
ML00176 / Nov.2021
Hydride Formation in a Titanium Blade
M - Unalloyed TitaniumP - BladeAp - Oil and GasCd - Hydride Formation
Cm - Aspect Before AnalysisDf - Surface Deposits
View of the rotor body smashed in the internal shaft, the fracture and deposits of different colours. The fracture presented a dark aspect where the failure has started.
18
VIEW
ML00176 / Nov.2021
Hydride Formation in a Titanium Blade
M - Unalloyed TitaniumP - BladeAp - Oil and GasCd - Hydride Formation
Cm - Aspect Before AnalysisDf - Fracture
ML00175 — Localized External Wear of a Wire RopeM - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Wear
One disassembled wire, 3.2mm diameter, from a strand. The wire presents strong plastic deformation. In a very localized area.
29
VIEW
ML00175 / Aug.2021
Localized External Wear of a Wire Rope
M - High Carbon SteelP - Wire RopeAp - Oil and GasCd - Wear
Cm - Aspect Before AnalysisDf - Plastic Deformation
ML00172 — Brittle Fracture of a LAS Valve SpringM - Low Alloy Medium Carbon QTP - SpringAp - Oil and GasCd - Brittle Fracture
Surface to fracture interface. The spring shows corrosion and pits.
46
VIEW
ML00172 / Mar.2021
Brittle Fracture of a LAS Valve Spring
M - Low Alloy Medium Carbon QTP - SpringAp - Oil and GasCd - Brittle Fracture
Cm - Aspect Before AnalysisDf - Corrosion
Aspect of the flat fracture surfaces, brittle. The spring surface is corroded and presents pits.
31
VIEW
ML00172 / Mar.2021
Brittle Fracture of a LAS Valve Spring
M - Low Alloy Medium Carbon QTP - SpringAp - Oil and GasCd - Brittle Fracture
Cm - Aspect Before AnalysisDf - Brittle Fracture
ML00171 — Corrosion Fatigue of U Bolt Pipe ClampM - Low Carbon SteelP - BoltAp - ShipCd - Corrosion Fatigue
Same aspect of the previous image after cleaning, showing a subcritical propagation aspect (fatigue), starting at the groove (ID) and also at the clamp surface in the OD.
75
VIEW
ML00171 / Feb.2021
Corrosion Fatigue of U Bolt Pipe Clamp
M - Low Carbon SteelP - BoltAp - ShipCd - Corrosion Fatigue
Cm - Aspect Before AnalysisDf - Fracture
In the region where the polimeric insert was loose, the protective coating of the clamp has suffered detachment.
69
VIEW
ML00171 / Feb.2021
Corrosion Fatigue of U Bolt Pipe Clamp
M - Low Carbon SteelP - BoltAp - ShipCd - Corrosion Fatigue
Cm - Aspect Before AnalysisDf - Layer Detachment
Close to the ID of the clamp, at the groove position, there are cracks in the coating (white brown) and also at the substrate.
63
VIEW
ML00171 / Feb.2021
Corrosion Fatigue of U Bolt Pipe Clamp
M - Low Carbon SteelP - BoltAp - ShipCd - Corrosion Fatigue
Cm - Aspect Before AnalysisDf - Cracks
Detailed aspect of the cracks at the clamp substrate and at the coating.
59
VIEW
ML00171 / Feb.2021
Corrosion Fatigue of U Bolt Pipe Clamp
M - Low Carbon SteelP - BoltAp - ShipCd - Corrosion Fatigue
Cm - Aspect Before AnalysisDf - Cracks
Aspect of the clamp fracture, before cleaning, looking from the outer diameter (OD). The fracture is in a position where there is no coating anymore.
48
VIEW
ML00171 / Feb.2021
Corrosion Fatigue of U Bolt Pipe Clamp
M - Low Carbon SteelP - BoltAp - ShipCd - Corrosion Fatigue
Cm - Aspect Before AnalysisDf - Fracture

+1 more from this case →

ML00169 — Drill Pipe Fracture in the Pipe BodyM - Low Alloy Medium Carbon QTP - Drill PipeAp - O&G Well DrillingCd - Corrosion Fatigue
Fracture appearance in the side that was not damaged by the fishing, showing the two aspects of the fracture propagation, half by fatigue and half by shearing overloading.
48
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 - Fracture
Fracture appearance showing the two aspects of the fracture propagation, flat by fatigue and at 45 degrees by overloading.
35
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 - Fracture
Region of the pipe fracture, where there is a transition from the flat fatigue to the rough overloading.
27
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 - Fracture