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1 case · 4 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Damage Microstructure: Primary carbides Detail focus: Fracture clear all

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The camshaft broke in a brittle way in a region where the shaft changed the geometry, close to a chilled lobe.
551
VIEW
ML00060 / Apr.2017
Brittle Fracture of a Chilled Cast Iron Camshaft
M - Chilled Cast IronP - ShaftAp - AutomotiveCd - Brittle Fracture
Cm - Aspect Before AnalysisDf - Fracture

More from these cases

ML00060 — Brittle Fracture of a Chilled Cast Iron CamshaftM - Chilled Cast IronP - ShaftAp - AutomotiveCd - Brittle Fracture
Micrography transverse to the fracture, showing that the region that broke presented in the shaft thickness a large amount of brittle structures (ledeburite), that suggest a too large extension of the chill effect.
53
VIEW
ML00060 / Apr.2017
Brittle Fracture of a Chilled Cast Iron Camshaft
M - Chilled Cast IronP - ShaftAp - AutomotiveCd - Brittle Fracture
Cm - Nital Etched Micrography by OMDf - Fracture
Micrographic detail of the structure in a section transverse to the fracture, showing that the brittle region in the shaft is associated to a large amount of ledeburite.
43
VIEW
ML00060 / Apr.2017
Brittle Fracture of a Chilled Cast Iron Camshaft
M - Chilled Cast IronP - ShaftAp - AutomotiveCd - Brittle Fracture
Cm - Nital Etched Micrography by OMDf - Fracture
Camshaft in the broken region, close to a lobe where the cast iron was chilled.
48
VIEW
ML00060 / Apr.2017
Brittle Fracture of a Chilled Cast Iron Camshaft
M - Chilled Cast IronP - ShaftAp - AutomotiveCd - Brittle Fracture
Cm - Aspect Before AnalysisDf - Fracture