Aspect Before Analysis

3 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Welded Joint Microstructure: Ferritic Detail focus: Damage clear all

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Fracture occurred during fabrication of a low carbon steel automotive part, welded by SAW process in one fillet, between a superior plate (8mm thick) and an inferior plate (12 mm thick). See the schematic drawing in the next figure.
290
VIEW
ML00069 / May.2017
Liquation Cracks in SAW of Low Carbon Steel
M - Low Carbon SteelP - Fabrication WeldAp - AutomotiveCd - Welding Defect
Cm - Aspect Before AnalysisDf - Fracture
Aspect of the fracture in the middle of the fillet weld between the superior plate (Low carbon 8 mm thick no longer there) and the inferior plate (C-Mn 12 mm thick), in an overlap geometry.
77
VIEW
ML00067 / May.2017
Cold Cracks in C-Mn SAW Weld Metal
M - CMn SteelP - Fabrication WeldAp - AutomotiveCd - Welding Defect
Cm - Aspect Before AnalysisDf - Fracture
Steam drum presenting cracks in the shell, connecting tube holes.
1704
VIEW
ML00020 / Apr.2017
Intergranular SCC in Boiler Steam Drum Repair
M - Low Carbon SteelP - Repair WeldAp - BoilerCd - Stress Corrosion
Cm - Aspect Before AnalysisDf - Cracking