





Microstructure
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Crevice Corrosion in a Subsea System — Aspect Before Analysis
Standard: UNS ×Capture method: Scanning Electron Microscope ×Detail focus: Duplex structure ×clear all
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Acicular Alpha 1Acicular Ferrite 1Aged Martensite 5Alpha 7Alpha & Beta 5Anisotropy 2Austenite 27Austenitic Matrix 1Austeno ferritic 5Bainite 3Biphasic 1Coarse Structure 3Coating Layer 4Cored Matrix 2Deformed Structure 1Delta Ferrite 1Dendritic 5Detrimental phases 4Duplex Ferritic Austenitic 11Equiaxial Grains 2Ferritic 8Ferritic Bainitic 3Ferritic matrix 1Ferritic pearlitic 9Ferritic pearlitic matrix 2Fine Transgranular Precipitation 1Free from Carbides 2Grain Boundary Carbide Precipitation 2Grain Boundary Phases 1Granular 9Graphite in flakes 1Graphite in nodules 3Heterogeneous granulometry 1Hypoeutectic 2Lamellar Eutectoid 1Large amount of inclusions 1Local Melting 1Martensite 10Martensite and Carbides 1Martensite and Retained Austenite 2Martensitic with Delta Ferrite 1Monophasic 4Needles 1Network of Primary Carbides 1Networlike Precipitates 1Pb Inclusions 2Pearlite Highly Strained 3Pearlitic 3Pearlitic Matrix 1Precipitation Hardened 5Refined ferritic 3Secondary carbides 3Segregation Bands 4Small Amount of Delta Phase 3Small amount of delta ferrite 3Strain Hardened 6Sulfide Inclusions 1Surface layer of Thermal Spray 4Tempered Martensite 16Zinc Layer 1