Damage

1 case · 6 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Casting Defect clear all

Damage — sub-branches

Crack 2Void 4

Results

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Casting defect identified in the micrographic section, as polished, of the sample removed from the blade. The total lenght of the defect detected by magnetic particle during inspection is 10 mm.
1041
VIEW
ML00017 / Apr.2017
Casting Defect in CA6NM
M - Martensitic Stainless SteelP - Machined PartAp - EnergyCd - Casting Defect
Cm - Micrography by SEMDf - Void

More from these cases

ML00017 — Casting Defect in CA6NMM - Martensitic Stainless SteelP - Machined PartAp - EnergyCd - Casting Defect
Aspect of the magnetic particle result in the sample cut from the blade. The yellow scale is in mm.
76
VIEW
ML00017 / Apr.2017
Casting Defect in CA6NM
M - Martensitic Stainless SteelP - Machined PartAp - EnergyCd - Casting Defect
Cm - Aspect Before AnalysisDf - Crack
Linear indication in the sample, after metallographic preparation. The "cracking" is a casting defect.
65
VIEW
ML00017 / Apr.2017
Casting Defect in CA6NM
M - Martensitic Stainless SteelP - Machined PartAp - EnergyCd - Casting Defect
Cm - Kalling Etched MacroDf - Crack
Micrographic detail of the defect (void in the right side of the figure), as polished. In the left side it is the surface of the water blade and there are some non metalic inclusions in this region.
54
VIEW
ML00017 / Apr.2017
Casting Defect in CA6NM
M - Martensitic Stainless SteelP - Machined PartAp - EnergyCd - Casting Defect
Cm - Micrography by OMDf - Void
Region of a casting void in the blade.
33
VIEW
ML00017 / Apr.2017
Casting Defect in CA6NM
M - Martensitic Stainless SteelP - Machined PartAp - EnergyCd - Casting Defect
Cm - Kalling Etched Micrography by OMDf - Void
Region of a casting void in the blade. As polished.
33
VIEW
ML00017 / Apr.2017
Casting Defect in CA6NM
M - Martensitic Stainless SteelP - Machined PartAp - EnergyCd - Casting Defect
Cm - Micrography by SEMDf - Void