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2 cases · 4 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Hypoeutectic Capture method: Scanning Electron Microscope Detail focus: Sampling and Analysis clear all

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Low magnification view of the WHEEL 1 fracture surface. The thickness of the wheel in this position (flat and paralell to the wheel face) is about 2.5 mm. The aspect of the fracture is similar all through the fracture perimeter, including the region where the fracture propagation changes the direction.
66
VIEW
ML00183 / Dec.2022
Ductile Behavior of an Aluminum Wheel
M - Aluminum Silicon MagnesiumP - CastingAp - AutomotiveCd - Ductile Behavior
Cm - Fractography by SEMDf - General View
Low magnification micrography of the welded region, showing the interface between the base in the bottom and the fusion zone (between the liquidus and solidus temperatures), as well as the weld metal in the top. There are pores close to the weld metal and in the fusion zone the interdendritic space was melted and the eutectic morphology was changed. Keller etch.
50
VIEW
ML00070 / Jan.2019
Automotive Light Alloy Wheel Repaired By Welding
M - Aluminum Silicon MagnesiumP - RimAp - AutomotiveCd - Removed From Service
Cm - Micrography by SEMDf - Weld Repair

More from these cases

ML00070 — Automotive Light Alloy Wheel Repaired By WeldingM - Aluminum Silicon MagnesiumP - RimAp - AutomotiveCd - Removed From Service
Micrographic detail of the cast rim at the heat affected zone presenting coalesced Si particles at the interdendritic space an neddles of Fe rich phase. Keller etch.
47
VIEW
ML00070 / Jan.2019
Automotive Light Alloy Wheel Repaired By Welding
M - Aluminum Silicon MagnesiumP - RimAp - AutomotiveCd - Removed From Service
Cm - Micrography by SEMDf - Heat Affected Zone
Refined dendrites in the weld metal. The Si/Al alpha eutectic in the interdendritic space is also refined. Keller etch.
38
VIEW
ML00070 / Jan.2019
Automotive Light Alloy Wheel Repaired By Welding
M - Aluminum Silicon MagnesiumP - RimAp - AutomotiveCd - Removed From Service
Cm - Micrography by SEMDf - Weld Metal