Optical Microscope

4 cases · 4 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Duplex Ferritic Austenitic Detail focus: Coarse Structure clear all

Optical Microscope — sub-branches

NaOH Electrolytic Etched Micro 4

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Micrography of a transverse section of the fititng, presenting a coarser structure. The ferrite is blue/red and the austenite is white/yellow.
77
VIEW
ML00150 / Dec.2018
Vibration Induced Fatigue in a SS Oil Piping
M - Duplex Stainless SteelP - PipingAp - FPSOCd - Vibration Induced Fatigue
Cm - NaOH Electrolytic Etched MicroDf - Coarse Structure
Micrographic detail of the superduplex stainless steel forging connector (base metal), in the longitudinal direction. Coarse ferritic-austenitic structure.
38
VIEW
ML00100 / Nov.2017
Superduplex Tubing to Forging Welded Joint
M - Super Duplex Stainless SteelP - Fabrication WeldAp - SubseaCd - Welding
Cm - NaOH Electrolytic Etched MicroDf - Coarse Structure
Micrographic detail of the fitting longitudinal section showing a coarse austenitic ferritic structure.
37
VIEW
ML00094 / Sep.2017
MIC of a Subsea Hydraulic Line
M - Super Duplex Stainless SteelP - Fabrication WeldAp - SubseaCd - Brittle Behavior
Cm - NaOH Electrolytic Etched MicroDf - Coarse Structure
Micrography of the flange in the longitudinal section. The flange microstructure is ferritic austenitic, presenting a coarse structure.
102
VIEW
ML00002 / Jan.2018
Preferential Dissolution and Cracks in SDSS
M - Super Duplex Stainless SteelP - Fabrication WeldAp - PipingCd - Preferential Dissolution
Cm - NaOH Electrolytic Etched MicroDf - Coarse Structure