Welded Joint

1 case · 4 images for “fracture”

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Austenite clear all

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The small sample removed for analysis. This wedge sample presents three faces: one polished face (that corresponds to the surface), one fractured face and one cut face.
38
VIEW
ML00174 / Jul.2021
Carburization of a 347 SS Welded Joint
M - Austenitic Stainless SteelP - Fabrication WeldAp - EnergyCd - Carburization
Cm - Testpiece aspectDf - Fracture

More from these cases

ML00174 — Carburization of a 347 SS Welded JointM - Austenitic Stainless SteelP - Fabrication WeldAp - EnergyCd - Carburization
The small wedge sample is 4 mm deep in the thickness and the circumferential weld are is about 15 mm width where it appears in the internal side of the carcass. The image shows the crack surface (fracture) where the weld aspect is evident.
32
VIEW
ML00174 / Jul.2021
Carburization of a 347 SS Welded Joint
M - Austenitic Stainless SteelP - Fabrication WeldAp - EnergyCd - Carburization
Cm - Aspect Before AnalysisDf - Fracture
The fracture surface in the sample shows columnar grains in the weld and large facets in the heat affected zone (HAZ) close to the internal surface of the carcass (to the top of the image).
32
VIEW
ML00174 / Jul.2021
Carburization of a 347 SS Welded Joint
M - Austenitic Stainless SteelP - Fabrication WeldAp - EnergyCd - Carburization
Cm - Fractography by SEMDf - Brittle Fracture
Detail of the fracture in the heat affected zone, showing a flat fracture where the fracture is close to the surface of the plate, exposed to the high temperature exhausting gases.
24
VIEW
ML00174 / Jul.2021
Carburization of a 347 SS Welded Joint
M - Austenitic Stainless SteelP - Fabrication WeldAp - EnergyCd - Carburization
Cm - Fractography by SEMDf - Brittle Fracture