Damage

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Application: Ship Capture method: Aspect by NDT clear all

Damage — sub-branches

Brittle Behavior 4Corrosion 5Fatigue 1Lack of Sealing 1Wear 1

Results

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Dye check at the groove in the clamp ID, showing several parallel cracks, transverse to the clamp axis.
51
VIEW
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
VIEW
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