Damage

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Application: Siderurgy Condition: High Temperature Capture method: Optical Microscope clear all

Damage — sub-branches

Cracks 1Voids 1

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Micrographic aspect, as polished, of a transverse section of the tube (bottom side of the image, orange), at the interface between the tube and the melted steel over the external diameter (top side of the image, grey). In the copper tube there are several microcracks and regions of incipient melting (voids).
41
VIEW
ML00180 / Mar.2022
Local Melting of Copper Cooling Tubes
M - Pure CopperP - Cooling TubeAp - SiderurgyCd - Overheating
Cm - As polished micrographyDf - Cracks
Micrography, in the as polished condition, of the TUBE REMOVED FROM SERVICE, centrifugally cast, in the transverse section, presenting external surface oxides and voids.
35
VIEW
ML00038 / Apr.2017
Cast SS Tube for High Temperature Service
M - Heat Resistant SteelP - Centrifugally Cast PipeAp - SiderurgyCd - Creep
Cm - Micrography by OMDf - Voids