Intergranular Cracking

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Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Raw Material Microstructure: Ferritic Bainitic Capture method: Optical Microscope clear all

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The micrographic aspect of the cracks in a section transverse to the weld (the removed sample), shows that there are cracks with different sizes, the larger are filled with products that indicate they were opened for longer times.
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ML00071 / Jan.2019
Reheating Cracking of a CrMo Vessel Weld
M - CrMo SteelP - In Field WeldAp - EnergyCd - Welding Defect
Cm - Nital Etched Micrography by OMDf - Intergranular Cracking