High Temperature

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Coarse Structure Capture method: Optical Microscope Detail focus: Cracks clear all

High Temperature — sub-branches

Carburization 1Overheating 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
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ML00180 / Mar.2022
Local Melting of Copper Cooling Tubes
M - Pure CopperP - Cooling TubeAp - SiderurgyCd - Overheating
Cm - As polished micrographyDf - Cracks
Detailed microstructure of the weld metal, exposed to high temperature exhausting gases. Austeno-ferritic structure, strong carbide precipitation integranular and transgranular, and some cracks.
23
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ML00174 / Jul.2021
Carburization of a 347 SS Welded Joint
M - Austenitic Stainless SteelP - Fabrication WeldAp - EnergyCd - Carburization
Cm - Oxalic Acid Electrolytic EtchDf - Cracks