Atlas

2 cases · 9 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Ferritic matrix Standard: 536 Capture method: Optical Microscope clear all

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Micrography of CAP A, showing graphite in imperfect nodules and ferritic matrix.
481
VIEW
ML00047 / Mar.2017
Ductile Cast Iron Caps of Electrical Insulators
M - Ductile Cast IronP - Cast iron capAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Graphite in Imperfect Nodules
The cast iron microstructure is predominatly ferritic with graphite nodules.
169
VIEW
ML00040 / Apr.2017
Brittle Fracture of a Valve Stem
M - Nodular Cast IronP - Valve StemAp - ShipCd - Brittle Fracture
Cm - Nital Etched Micrography by OMDf - Graphite in Nodules

More from these cases

ML00047 — Ductile Cast Iron Caps of Electrical InsulatorsM - Ductile Cast IronP - Cast iron capAp - EnergyCd - Typical manufacturing
Detail of CAP A microstructure. Graphite in imperfect nodules and ferritic matrix. Grey sulphide inclusions.
88
VIEW
ML00047 / Mar.2017
Ductile Cast Iron Caps of Electrical Insulators
M - Ductile Cast IronP - Cast iron capAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Predominantly Ferritic
Micrography of CAP B, showing graphite in nodules and ferritic matrix.
67
VIEW
ML00047 / Mar.2017
Ductile Cast Iron Caps of Electrical Insulators
M - Ductile Cast IronP - Cast iron capAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Graphite in Nodules
Detail of CAP B microstructure. Graphite in nodules and ferritic matrix. Small sulphide inclusions (grey).
60
VIEW
ML00047 / Mar.2017
Ductile Cast Iron Caps of Electrical Insulators
M - Ductile Cast IronP - Cast iron capAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Predominantly Ferritic
Micrography of CAP C, showing graphite in nodules and ferritic-perlitic matrix.
52
VIEW
ML00047 / Mar.2017
Ductile Cast Iron Caps of Electrical Insulators
M - Ductile Cast IronP - Cast iron capAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Graphite in Nodules
Detail of CAP C microstructure. Graphite in nodules and ferritic-perlitic matrix.
56
VIEW
ML00047 / Mar.2017
Ductile Cast Iron Caps of Electrical Insulators
M - Ductile Cast IronP - Cast iron capAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Predominantly Ferritic
ML00040 — Brittle Fracture of a Valve StemM - Nodular Cast IronP - Valve StemAp - ShipCd - Brittle Fracture
The micrography of the stem at the fracture region shows a flat fracture with transgranular clevage at the ferritic structure.
137
VIEW
ML00040 / Apr.2017
Brittle Fracture of a Valve Stem
M - Nodular Cast IronP - Valve StemAp - ShipCd - Brittle Fracture
Cm - Nital Etched Micrography by OMDf - Fracture
Micrography presenting a detail of the fracture surface opening to the graphite nodules.
139
VIEW
ML00040 / Apr.2017
Brittle Fracture of a Valve Stem
M - Nodular Cast IronP - Valve StemAp - ShipCd - Brittle Fracture
Cm - Nital Etched Micrography by OMDf - Fracture