Nital Etched Micrography by SEM

1 case · 7 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Graphite in nodules clear all

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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

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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

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