Optical Microscope

3 cases · 3 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Product: Fabrication Weld Microstructure: Austenite Detail focus: Austenite clear all

Optical Microscope — sub-branches

Micrography by OM using A262 Method A 2Oxalic Acid Electrolytic Etch 1

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Detailed microstructure of the plate base metal, exposed to high temperature exhausting gases. Refined austenite, precipitation of carbides in the grain boumdaries and some cracks.
23
VIEW
ML00174 / Jul.2021
Carburization of a 347 SS Welded Joint
M - Austenitic Stainless SteelP - Fabrication WeldAp - EnergyCd - Carburization
Cm - Oxalic Acid Electrolytic EtchDf - Austenite
Base metal micrography in the longitudinal section, showing an austenitic granular structure. Ghost lines evidence the hot forming direction.
44
VIEW
ML00095 / Sep.2017
MIC of a Riser Control Line
M - Austenitic Stainless SteelP - Fabrication WeldAp - Oil and GasCd - Brittle Behavior
Cm - Micrography by OM using A262 Method ADf - Austenite
The shell plate micrography showed an austenitic structure.
101
VIEW
ML00050 / Nov.2017
Fatigue Failure of a 316SS Pressure Stabilizer
M - Austenitic Stainless SteelP - Fabrication WeldAp - Chemical IndustryCd - Mechanical Fatigue
Cm - Micrography by OM using A262 Method ADf - Austenite