Micrography by SEM

2 cases · 6 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Casting Condition: Damage Standard: UNS clear all

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Low magnification micrography transverse to the fracture surface of the WHEEL 1. The fracture is in the top of the image and there is a void (shrinkage) not connected to the fracture .
34
VIEW
ML00183 / Dec.2022
Ductile Behavior of an Aluminum Wheel
M - Aluminum Silicon MagnesiumP - CastingAp - AutomotiveCd - Ductile Behavior
Cm - Micrography by SEMDf - Fracture
Casting defect identified in the micrographic section, as polished, of the sample removed from the blade. The total lenght of the defect detected by magnetic particle during inspection is 10 mm.
1041
VIEW
ML00017 / Apr.2017
Casting Defect in CA6NM
M - Martensitic Stainless SteelP - Machined PartAp - EnergyCd - Casting Defect
Cm - Micrography by SEMDf - Void

More from these cases

ML00183 — Ductile Behavior of an Aluminum WheelM - Aluminum Silicon MagnesiumP - CastingAp - AutomotiveCd - Ductile Behavior
Detail of the micrography transverse to the fracture surface of the WHEEL 1, close to the void, that is a region of impurities. The iron rich particles are brittle and with several microcracks, that did not propagate during the impact.
27
VIEW
ML00183 / Dec.2022
Ductile Behavior of an Aluminum Wheel
M - Aluminum Silicon MagnesiumP - CastingAp - AutomotiveCd - Ductile Behavior
Cm - Micrography by SEMDf - Cracks
Detail of the brittle iron rich particles with several microcracks, that did not propagate during the impact that lead to the fracture.
26
VIEW
ML00183 / Dec.2022
Ductile Behavior of an Aluminum Wheel
M - Aluminum Silicon MagnesiumP - CastingAp - AutomotiveCd - Ductile Behavior
Cm - Micrography by SEMDf - Brittle Cracks
Detail of the brittle iron rich particles with several microcracks, that did not propagate during the impact that lead to the fracture.
32
VIEW
ML00183 / Dec.2022
Ductile Behavior of an Aluminum Wheel
M - Aluminum Silicon MagnesiumP - CastingAp - AutomotiveCd - Ductile Behavior
Cm - Micrography by SEMDf - Brittle Cracks
ML00017 — Casting Defect in CA6NMM - Martensitic Stainless SteelP - Machined PartAp - EnergyCd - Casting Defect
Region of a casting void in the blade. As polished.
33
VIEW
ML00017 / Apr.2017
Casting Defect in CA6NM
M - Martensitic Stainless SteelP - Machined PartAp - EnergyCd - Casting Defect
Cm - Micrography by SEMDf - Void