Atlas

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

ML00171 / Feb.2021
Corrosion Fatigue of U Bolt Pipe Clamp
M - Low Carbon SteelP - BoltAp - ShipCd - Corrosion Fatigue
Cm - Aspect by NDTDf - Cracks
Multiple thermal fatigue cracks at the welded joint between the smoke tube (vertical, internal diameter 248mm) and the tubesheet  (horizontal, plate of 22 mm thickness). This is a view from the combustion chamber.  The dye check tests revealed several parallel cracks.
1249
ML00119 / Feb.2018
Thermal Fatigue of a Marine Boiler
M - Low Carbon SteelP - Fabrication WeldAp - ShipCd - Thermal Fatigue
Cm - Aspect by NDTDf - Thermal Fatigue Cracks