Transgranular Cracking

2 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Austenite Capture method: Optical Microscope clear all

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Micrography of the stub end longitudinal section, showing multiple branched transgranular cracks.
25
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ML00168 / Aug.2020
SCC of Austenitic SS Flange Stub End
M - Austenitic Stainless SteelP - Stub EndAp - Chemical IndustryCd - Stress Corrosion
Cm - Oxalic Acid Electrolytic EtchDf - 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