Low Alloy Medium Carbon QT

1 case · 4 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Standard: J23055 Detail focus: Fracture clear all

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Aspect of the fracture surface, showing a brittle morphology. Flat fracture with chevron marks from regions close to the internal diameter of the padeye, where there are secondary cracks.
22
VIEW
ML00098 / Nov.2017
Brittle Fracture of a Casting Lifting Device
M - Low Alloy Medium Carbon QTP - CastingAp - LiftingCd - Brittle Fracture
Cm - Aspect Before AnalysisDf - Fracture

More from these cases

ML00098 — Brittle Fracture of a Casting Lifting DeviceM - Low Alloy Medium Carbon QTP - CastingAp - LiftingCd - Brittle Fracture
Micrography transverse to the fracture surface (in the top of the figure). The fracture is brittle and follows the interdendritic spaces, since these regions where the positions where there were casting defects.
14
VIEW
ML00098 / Nov.2017
Brittle Fracture of a Casting Lifting Device
M - Low Alloy Medium Carbon QTP - CastingAp - LiftingCd - Brittle Fracture
Cm - Nital Etched Micrography by OMDf - Fracture
Micrographic detail of a transverse section, at the fracture (in the top of the figure). The fracture is brittle and follows the voids at interdendritic spaces, with secondary cracks.
12
VIEW
ML00098 / Nov.2017
Brittle Fracture of a Casting Lifting Device
M - Low Alloy Medium Carbon QTP - CastingAp - LiftingCd - Brittle Fracture
Cm - Nital Etched Micrography by OMDf - Fracture
Micrographic detail of a transverse section, at the fracture (in the top of the figure). The fracture is brittle and follows the voids at interdendritic spaces, with secondary cracks.
10
VIEW
ML00098 / Nov.2017
Brittle Fracture of a Casting Lifting Device
M - Low Alloy Medium Carbon QTP - CastingAp - LiftingCd - Brittle Fracture
Cm - Nital Etched Micrography by OMDf - Fracture