Nital Etched Micrography by SEM

2 cases · 9 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

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Micrographic detail, by scanning electron microscopy, of the graphite in nodules and a ferritic-pearlitic matrix.
32
VIEW
ML00154 / Jan.2019
High Strength Cast Iron Crankshaft
M - Nodular Cast IronP - CastingAp - EngineCd - Surface treatment
Cm - Nital Etched Micrography by SEMDf - Graphite in Nodules
Martensitic structure at the cutting HAZ. Longitudinal section.
32
VIEW
ML00033 / Jan.2017
Plasma Cut of 1 1/4" Steel Plate
M - High Strength Low AlloyP - Rolled PlateAp - StructureCd - Cutting
Cm - Nital Etched Micrography by SEMDf - Martensite

More from these cases

ML00154 — High Strength Cast Iron CrankshaftM - Nodular Cast IronP - CastingAp - EngineCd - Surface treatment
Micrographic detail by scanning electron microscopy, Nital etched, of the ferrite microstructure around a graphite nodule.
30
VIEW
ML00154 / Jan.2019
High Strength Cast Iron Crankshaft
M - Nodular Cast IronP - CastingAp - EngineCd - Surface treatment
Cm - Nital Etched Micrography by SEMDf - Ferrite and Pearlite
Micrographic detail of the pearlite in the matrix.
29
VIEW
ML00154 / Jan.2019
High Strength Cast Iron Crankshaft
M - Nodular Cast IronP - CastingAp - EngineCd - Surface treatment
Cm - Nital Etched Micrography by SEMDf - Pearlite
Micrography of the shaft at the surface in a heat treated position. The graphite nodule is degradating due to temperature and adjacent the microsctructure is martensitic.
27
VIEW
ML00154 / Jan.2019
High Strength Cast Iron Crankshaft
M - Nodular Cast IronP - CastingAp - EngineCd - Surface treatment
Cm - Nital Etched Micrography by SEMDf - Graphite in Imperfect Nodules
Micrographic detail of the graphite nodule surrounded by martensite.
30
VIEW
ML00154 / Jan.2019
High Strength Cast Iron Crankshaft
M - Nodular Cast IronP - CastingAp - EngineCd - Surface treatment
Cm - Nital Etched Micrography by SEMDf - Martensite
Micrographic detail of the martensite.
32
VIEW
ML00154 / Jan.2019
High Strength Cast Iron Crankshaft
M - Nodular Cast IronP - CastingAp - EngineCd - Surface treatment
Cm - Nital Etched Micrography by SEMDf - Martensite

+1 more from this case →

ML00033 — Plasma Cut of 1 1/4" Steel PlateM - High Strength Low AlloyP - Rolled PlateAp - StructureCd - Cutting
Intercritical heating at 0.5 mm from the cut surface, showing martensitic islands.
27
VIEW
ML00033 / Jan.2017
Plasma Cut of 1 1/4" Steel Plate
M - High Strength Low AlloyP - Rolled PlateAp - StructureCd - Cutting
Cm - Nital Etched Micrography by SEMDf - Heat Affected Zone