Welding Defect

2 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Capture method: Fractography by SEM clear all

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After opening a crack it was possible to see the fracture appearance.
70
VIEW
ML00071 / Jan.2019
Reheating Cracking of a CrMo Vessel Weld
M - CrMo SteelP - In Field WeldAp - EnergyCd - Welding Defect
Cm - Fractography by SEMDf - Fracture
The fracture presents an intergranular aspect, and evidences of incipient melting, indicating a liquation cracking has occurred at the plate coarse grain heat affected zone/fusion line.
57
VIEW
ML00069 / May.2017
Liquation Cracks in SAW of Low Carbon Steel
M - Low Carbon SteelP - Fabrication WeldAp - AutomotiveCd - Welding Defect
Cm - Fractography by SEMDf - Intergranular Cracking

More from these cases

ML00071 — Reheating Cracking of a CrMo Vessel WeldM - CrMo SteelP - In Field WeldAp - EnergyCd - Welding Defect
Intergranular morphology of the fracture in a scanning electron microscopy image.
65
VIEW
ML00071 / Jan.2019
Reheating Cracking of a CrMo Vessel Weld
M - CrMo SteelP - In Field WeldAp - EnergyCd - Welding Defect
Cm - Fractography by SEMDf - Intergranular Cracking