Non Metallic Inclusions

3 cases · 4 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

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Micrography of the transverse section of the rolled shape presenting an aligned structure, ferritic-pearlitic, and long sulfide inclusions. Center of the leg of 12 mm thickness.
58
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ML00035 / Dec.2017
Carbon Steel L Shape
M - Low Carbon SteelP - Rolled ShapeAp - StructureCd - Removed From Service
Cm - Nital Etched Micrography by OMDf - Non Metallic Inclusions
Micrographic detail of the longitudinal section of the fitiing, in a free-cutting steel. The microstructure is predominantly ferritic, with small perlitic areas and some free cementite at ferritic grain boundaries. There is a large amount of sulfide inclusions, aligned perpendicular to the forming direction.
106
VIEW
ML00103 / Nov.2017
Brittle Fracture of a Free-Cutting Connector
M - Low Carbon SteelP - Machined PartAp - ShipCd - Brittle Fracture
Cm - Nital Etched Micrography by OMDf - Non Metallic Inclusions
Micrographic detail non metalic inclusions in the region where there are casting defects. As polished.
47
VIEW
ML00017 / Apr.2017
Casting Defect in CA6NM
M - Martensitic Stainless SteelP - Machined PartAp - EnergyCd - Casting Defect
Cm - Micrography by OMDf - Non Metallic Inclusions

More from these cases

ML00017 — Casting Defect in CA6NMM - Martensitic Stainless SteelP - Machined PartAp - EnergyCd - Casting Defect
Blade structure close to the region where the voids were detected.
40
VIEW
ML00017 / Apr.2017
Casting Defect in CA6NM
M - Martensitic Stainless SteelP - Machined PartAp - EnergyCd - Casting Defect
Cm - Kalling Etched Micrography by OMDf - Non Metallic Inclusions