Crevice Corrosion in a Subsea System — Aspect Before Analysis
Optical Microscope — sub-branches
As polished micrography 13Chromic Acid Electrolytic Etched 4Eletrolytically Etched Micrography by OM 4FeCl3+HCl+Ethanol Etched Micro 6FeCl3+HCl+H2O Etched Micro 17Glyceregia Etched Micrography by OM 5H2SO4+HNO3+H3PO4 Etched Micro 2Kalling Etched Micrography by OM 62Keller Etched Micrography by OM 7Kroll Etched Micrography by OM 3Micro by OM, HCl + Ethanol + Picric Acid 6Micrography by OM 17Micrography by OM using A262 Method A 39Micrography by OM, HF + HNO3 + H2O etch 6NH4OH+H2O+H2O2 Etched Micro 3NaOH Electrolytic Etched Micro 44Nital Etched Micrography by OM 329Oxalic Acid Electrolytic Etch 33
101ML00050 / 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
96ML00019 / Apr.2017
Transgranular SCC in Boiler Steam Drum
M - CMn SteelP - Rolled PlateAp - BoilerCd - Stress Corrosion
Cm - Nital Etched Micrography by OMDf - Ferrite and Pearlite
47ML00049 / Apr.2017
Pipe to Flange Welded Joint in a 14" ND Superduplex Spool
M - Super Duplex Stainless SteelP - Piping spoolAp - Oil and GasCd - Removed From Service
Cm - NaOH Electrolytic Etched MicroDf - Duplex structure
207ML00018 / Apr.2017
SCC in Boiler Steam Drum
M - Low Carbon SteelP - Rolled PlateAp - BoilerCd - Stress Corrosion
Cm - Nital Etched Micrography by OMDf - Ferrite and Pearlite
463ML00048 / Apr.2017
Medium Carbon Steel Pins of Electrical Insulators
M - Medium Carbon SteelP - Forged PinAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Ferrite and Pearlite
481ML00047 / Mar.2017
Ductile Cast Iron Caps of Electrical Insulators
M - Ductile Cast IronP - Cast iron capAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Graphite in Imperfect Nodules
149ML00008 / Nov.2017
Cold Cracks in CMn Steel Pressure Vessel
M - CMn SteelP - In Field WeldAp - BoilerCd - Welding Defect
Cm - Nital Etched Micrography by OMDf - Ferrite and Pearlite
110ML00043 / Apr.2017
CuNi Condenser Tube
M - CupronickelP - Seamless tubeAp - Heat ExchangerCd - Removed From Service
Cm - FeCl3+HCl+H2O Etched MicroDf - Single phase
More from these cases
89ML00019 / Apr.2017
Transgranular SCC in Boiler Steam Drum
M - CMn SteelP - Rolled PlateAp - BoilerCd - Stress Corrosion
Cm - Nital Etched Micrography by OMDf - Ferrite and Pearlite
56ML00049 / Apr.2017
Pipe to Flange Welded Joint in a 14" ND Superduplex Spool
M - Super Duplex Stainless SteelP - Piping spoolAp - Oil and GasCd - Removed From Service
Cm - NaOH Electrolytic Etched MicroDf - Duplex structure
88ML00049 / Apr.2017
Pipe to Flange Welded Joint in a 14" ND Superduplex Spool
M - Super Duplex Stainless SteelP - Piping spoolAp - Oil and GasCd - Removed From Service
Cm - NaOH Electrolytic Etched MicroDf - Duplex structure
62ML00049 / Apr.2017
Pipe to Flange Welded Joint in a 14" ND Superduplex Spool
M - Super Duplex Stainless SteelP - Piping spoolAp - Oil and GasCd - Removed From Service
Cm - NaOH Electrolytic Etched MicroDf - Duplex structure
44ML00049 / Apr.2017
Pipe to Flange Welded Joint in a 14" ND Superduplex Spool
M - Super Duplex Stainless SteelP - Piping spoolAp - Oil and GasCd - Removed From Service
Cm - NaOH Electrolytic Etched MicroDf - Fusion Line
36ML00049 / Apr.2017
Pipe to Flange Welded Joint in a 14" ND Superduplex Spool
M - Super Duplex Stainless SteelP - Piping spoolAp - Oil and GasCd - Removed From Service
Cm - NaOH Electrolytic Etched MicroDf - Fusion Line
138ML00048 / Apr.2017
Medium Carbon Steel Pins of Electrical Insulators
M - Medium Carbon SteelP - Forged PinAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Ferrite and Pearlite
97ML00048 / Apr.2017
Medium Carbon Steel Pins of Electrical Insulators
M - Medium Carbon SteelP - Forged PinAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Ferrite and Bainite
87ML00048 / Apr.2017
Medium Carbon Steel Pins of Electrical Insulators
M - Medium Carbon SteelP - Forged PinAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Ferrite and Bainite
90ML00047 / Mar.2017
Ductile Cast Iron Caps of Electrical Insulators
M - Ductile Cast IronP - Cast iron capAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Predominantly Ferritic
67ML00047 / Mar.2017
Ductile Cast Iron Caps of Electrical Insulators
M - Ductile Cast IronP - Cast iron capAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Graphite in Nodules
60ML00047 / Mar.2017
Ductile Cast Iron Caps of Electrical Insulators
M - Ductile Cast IronP - Cast iron capAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Predominantly Ferritic
52ML00047 / Mar.2017
Ductile Cast Iron Caps of Electrical Insulators
M - Ductile Cast IronP - Cast iron capAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Graphite in Nodules
56ML00047 / Mar.2017
Ductile Cast Iron Caps of Electrical Insulators
M - Ductile Cast IronP - Cast iron capAp - EnergyCd - Typical manufacturing
Cm - Nital Etched Micrography by OMDf - Predominantly Ferritic
129ML00008 / Nov.2017
Cold Cracks in CMn Steel Pressure Vessel
M - CMn SteelP - In Field WeldAp - BoilerCd - Welding Defect
Cm - Nital Etched Micrography by OMDf - Ferrite and Pearlite