Atlas

3 cases · 8 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Application: Siderurgy Condition: Damage Capture method: Transverse Section Aspect clear all

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Transverse section of the tube in a position of localized thinning.
60
VIEW
ML00180 / Mar.2022
Local Melting of Copper Cooling Tubes
M - Pure CopperP - Cooling TubeAp - SiderurgyCd - Overheating
Cm - Transverse Section AspectDf - Localized Thinning
Flat casting product presenting several thermal fatigue cracks all thorugh the surfaces. 1" thicknes.
171
VIEW
ML00001 / Dec.2017
Thermal Fatigue of Cast Iron
M - Nodular Cast IronP - CastAp - SiderurgyCd - Thermal Fatigue
Cm - Transverse Section AspectDf - Cracks Transverse to the Surface
The macrography of a transverse section of the new tube shows that there are shrinkage voids close to the internal surface, that is exposed to high temperature air. The tube is a 4" diameter and 1/4" thick.
62
VIEW
ML00097 / Nov.2017
Cast SS Tube Removed From High Temperature Service
M - Heat Resistant SteelP - Centrifugally Cast PipeAp - SiderurgyCd - High Temperature
Cm - Transverse Section AspectDf - Casting Structure

More from these cases

ML00180 — Local Melting of Copper Cooling TubesM - Pure CopperP - Cooling TubeAp - SiderurgyCd - Overheating
Transverse section of the tube in a position of wall perforation.
32
VIEW
ML00180 / Mar.2022
Local Melting of Copper Cooling Tubes
M - Pure CopperP - Cooling TubeAp - SiderurgyCd - Overheating
Cm - Transverse Section AspectDf - Leakage
Local Melting of Copper Cooling Tubes
1
VIEW
ML00180 / Mar.2022
Local Melting of Copper Cooling Tubes
M - Pure CopperP - Cooling TubeAp - SiderurgyCd - Overheating
Cm - Transverse Section AspectDf - Thinning
Local Melting of Copper Cooling Tubes
1
VIEW
ML00180 / Mar.2022
Local Melting of Copper Cooling Tubes
M - Pure CopperP - Cooling TubeAp - SiderurgyCd - Overheating
Cm - Transverse Section AspectDf - Leakage
ML00001 — Thermal Fatigue of Cast IronM - Nodular Cast IronP - CastAp - SiderurgyCd - Thermal Fatigue
Oriundos
59
VIEW
ML00001 / Dec.2017
Thermal Fatigue of Cast Iron
M - Nodular Cast IronP - CastAp - SiderurgyCd - Thermal Fatigue
Cm - Transverse Section AspectDf - Acicular Alpha
ML00097 — Cast SS Tube Removed From High Temperature ServiceM - Heat Resistant SteelP - Centrifugally Cast PipeAp - SiderurgyCd - High Temperature
The macrography of a transverse section of the tube removed from service after 6 months, with damage close to the internal tube surface. The tube is a 4" diameter and 1/4" thick.
41
VIEW
ML00097 / Nov.2017
Cast SS Tube Removed From High Temperature Service
M - Heat Resistant SteelP - Centrifugally Cast PipeAp - SiderurgyCd - High Temperature
Cm - Transverse Section AspectDf - Casting Structure