Intergranular Cracking

2 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Fabrication Weld Capture method: Optical Microscope clear all

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Detailed microstructure of the heat affected zone, fully carburized and cracked intergranular. Large austenitic grain size.
20
VIEW
ML00174 / Jul.2021
Carburization of a 347 SS Welded Joint
M - Austenitic Stainless SteelP - Fabrication WeldAp - EnergyCd - Carburization
Cm - Oxalic Acid Electrolytic EtchDf - Intergranular Cracking
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
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

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