Transgranular Cracking

2 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Fatigue clear all

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Micrographic detail of the crack at the edge of the tube. This is not the best direction of analysis because the cracks are parallel to the analyzed section. It is possible to see the crack from the surface, large and filled with oxides.
75
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ML00119 / Feb.2018
Thermal Fatigue of a Marine Boiler
M - Low Carbon SteelP - Fabrication WeldAp - ShipCd - Thermal Fatigue
Cm - Nital Etched Micrography by OMDf - Transgranular Cracking
Micrographic aspect of a longitudinal section of the splined shaft, at the fracture surface (top of the figure). The transgranular fatigue propagation presents shallow secondary cracks at regions of particles in the structure.
44
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ML00041 / Jun.2017
Fatigue Fracture of Inconel 718 Spline Shaft
M - NiCrFe AlloyP - ShaftAp - Oil and GasCd - Vibration Induced Fatigue
Cm - Kalling Etched Micrography by OMDf - Transgranular Cracking

More from these cases

ML00041 — Fatigue Fracture of Inconel 718 Spline ShaftM - NiCrFe AlloyP - ShaftAp - Oil and GasCd - Vibration Induced Fatigue
Micrographic aspect of a longitudinal section of the splined shaft, at the fracture. Transgranular fatigue propagation from the splined region.
50
VIEW
ML00041 / Jun.2017
Fatigue Fracture of Inconel 718 Spline Shaft
M - NiCrFe AlloyP - ShaftAp - Oil and GasCd - Vibration Induced Fatigue
Cm - Kalling Etched Micrography by OMDf - Transgranular Crack