Casting

1 case · 5 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Damage Microstructure: Alpha Capture method: Optical Microscope clear all

Results

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The wheel microstructure changed a little depending the thickness. In the region of WHEEL 1 fracture and WHEEL 2 cracking, it presented an alpha matrix with a networklike precipitates interdendritic.
46
VIEW
ML00183 / Dec.2022
Ductile Behavior of an Aluminum Wheel
M - Aluminum Silicon MagnesiumP - CastingAp - AutomotiveCd - Ductile Behavior
Cm - Keller Etched Micrography by OMDf - Hypoeutetic

More from these cases

ML00183 — Ductile Behavior of an Aluminum WheelM - Aluminum Silicon MagnesiumP - CastingAp - AutomotiveCd - Ductile Behavior
Detail of the alpha matrix with an eutectic networklike precipitates, interdendritic. Presence of acicular iron rich phases (dark gray).
51
VIEW
ML00183 / Dec.2022
Ductile Behavior of an Aluminum Wheel
M - Aluminum Silicon MagnesiumP - CastingAp - AutomotiveCd - Ductile Behavior
Cm - Keller Etched Micrography by OMDf - Networklike precipitates
Micrography transverse to the fracture surface of the WHEEL 1. The fracture is in the up right position of the photo and it can be observed a secondary cracking following the interdendritic precipitates.
33
VIEW
ML00183 / Dec.2022
Ductile Behavior of an Aluminum Wheel
M - Aluminum Silicon MagnesiumP - CastingAp - AutomotiveCd - Ductile Behavior
Cm - Keller Etched Micrography by OMDf - Radial Section
Micrographic detail of the secondary crack from the fracture surface of the WHEEL 1, following the interdendritic precipitates.
36
VIEW
ML00183 / Dec.2022
Ductile Behavior of an Aluminum Wheel
M - Aluminum Silicon MagnesiumP - CastingAp - AutomotiveCd - Ductile Behavior
Cm - Keller Etched Micrography by OMDf - Fracture
Dendritic branching structure of the aluminum matrix, with fine interdendritic features visible against a darker surrounding phase.
2
VIEW
ML00183 / Dec.2022
Ductile Behavior of an Aluminum Wheel
M - Aluminum Silicon MagnesiumP - CastingAp - AutomotiveCd - Ductile Behavior
Cm - Keller Etched Micrography by OMDf - Crack