Welding Defect

1 case · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Bainite Capture method: Optical Microscope Detail focus: Intergranular Cracking clear all

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Micrography of the fractured region, from the superior plate side, showing that the intergranular cracking occurred at the coarse grain heat affected zone. The structure is bainitic and there are segregated regions in the previous austenite grain boundaries.
50
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ML00069 / May.2017
Liquation Cracks in SAW of Low Carbon Steel
M - Low Carbon SteelP - Fabrication WeldAp - AutomotiveCd - Welding Defect
Cm - Nital Etched Micrography by OMDf - Intergranular Cracking

More from these cases

ML00069 — Liquation Cracks in SAW of Low Carbon SteelM - Low Carbon SteelP - Fabrication WeldAp - AutomotiveCd - Welding Defect
Micrography of the fractured region, from the weld metal side, showing that the intergranular cracking occurred at the coarse grain heat affected zone. The structure is bainitic and there are segregated regions in the previous austenite grain boundaries.
127
VIEW
ML00069 / May.2017
Liquation Cracks in SAW of Low Carbon Steel
M - Low Carbon SteelP - Fabrication WeldAp - AutomotiveCd - Welding Defect
Cm - Nital Etched Micrography by OMDf - Intergranular Cracking