Cast Iron

1 case · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Detail focus: Soundness clear all

Cast Iron — sub-branches

Chilled Cast Iron 1Ductile Cast Iron 1Gray Cast iron 3Nodular Cast Iron 3White Cast Iron 1

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Macrographic detail of the hardened layer, about 3mm deep from the surface. Important to observe that the bearing is not heat treated in the radius, only in the contact area. The hardness at the surface is 430HV and the hardness in the base metal is 260HV.
100
VIEW
ML00154 / Jan.2019
High Strength Cast Iron Crankshaft
M - Nodular Cast IronP - CastingAp - EngineCd - Surface treatment
Cm - NItal Etched MacroDf - Surface Layer

More from these cases

ML00154 — High Strength Cast Iron CrankshaftM - Nodular Cast IronP - CastingAp - EngineCd - Surface treatment
Micrography of the shaft below the heat treated surface, in the middle of the hardened layer. There is a gradient in the colours. Hardened surface in the top of the figure and nucleous in the bottom.
49
VIEW
ML00154 / Jan.2019
High Strength Cast Iron Crankshaft
M - Nodular Cast IronP - CastingAp - EngineCd - Surface treatment
Cm - Nital Etched Micrography by OMDf - Surface Layer
Micrography of the shaft below the heat treated surface, close to the limit of the hardened layer. There is a gradient in the colours. Hardened surface in the top of the figure and nucleous in the bottom.
45
VIEW
ML00154 / Jan.2019
High Strength Cast Iron Crankshaft
M - Nodular Cast IronP - CastingAp - EngineCd - Surface treatment
Cm - Nital Etched Micrography by OMDf - Surface Layer