Keller Etched Micrography by OM

1 case · 1 image

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Rim Microstructure: Dendritic Detail focus: Weld Metal clear all

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The weld metal presents the same structure than the base metal (alpha aluminum dendrites with Si/Al alpha eutectic in the interdendritic space) but refined when compared to the base metal. Also the hardness level is higher for the weld metal than the base metal.
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ML00070 / Jan.2019
Automotive Light Alloy Wheel Repaired By Welding
M - Aluminum Silicon MagnesiumP - RimAp - AutomotiveCd - Removed From Service
Cm - Keller Etched Micrography by OMDf - Weld Metal