Cracks

3 cases · 4 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Ferritic clear all

Results

SortNewestOldestTitle A-ZTitle Z-A
Aspect by dye check of the upper side of the pipe, external, at the weld between the 8" main pipe and the 2" lateral branch, presenting a fatigue cracking initiated at the weld margin and propagating into the base metal in a longitudinal direction.
55
VIEW
ML00149 / Dec.2018
Vibration Induced Fatigue in a Gas Piping
M - Low Carbon SteelP - Piping spoolAp - FPSOCd - Vibration Induced Fatigue
Cm - Aspect by NDTDf - Cracks
Micrography of the weld metal in a cracked region.
41
VIEW
ML00067 / May.2017
Cold Cracks in C-Mn SAW Weld Metal
M - CMn SteelP - Fabrication WeldAp - AutomotiveCd - Welding Defect
Cm - Nital Etched Micrography by OMDf - Cracks
Aspect of the drum shell after removing the tubes and macroetching, indicating that the cracks were located in repair welded regions.
342
VIEW
ML00020 / Apr.2017
Intergranular SCC in Boiler Steam Drum Repair
M - Low Carbon SteelP - Repair WeldAp - BoilerCd - Stress Corrosion
Cm - Aspect by NDTDf - Cracks

More from these cases

ML00067 — Cold Cracks in C-Mn SAW Weld MetalM - CMn SteelP - Fabrication WeldAp - AutomotiveCd - Welding Defect
Micrographic detail of the weld metal in a cracked region.
77
VIEW
ML00067 / May.2017
Cold Cracks in C-Mn SAW Weld Metal
M - CMn SteelP - Fabrication WeldAp - AutomotiveCd - Welding Defect
Cm - Nital Etched Micrography by OMDf - Cracks