Atlas

2 cases · 7 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Application: Structure Microstructure: Strain Hardened Capture method: NItal Etched Macro clear all

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Macrography of a typical corroded wire in a longitudinal section, showing loss of thickness by corrosion.
75
VIEW
ML00155 / Jan.2020
Failure of a Prestressed Concrete Steel Strand
M - High Carbon SteelP - Wire RopeAp - StructureCd - Corrosion Fatigue
Cm - NItal Etched MacroDf - Corrosion
Macrography of the 3/8" thickness low carbon steel plate, in a section. The side of bullet impact is to the top of the figure. The perforated hole expulsed the material to the top and bottom directions. The hole is larger in the exit of the bullet (to the bottom of the figure).
31
VIEW
ML00143 / Aug.2018
Impact of a .308 Winchester on A36 Plate
M - Low Carbon SteelP - Rolled PlateAp - StructureCd - Pierced
Cm - NItal Etched MacroDf - Transverse Section

More from these cases

ML00155 — Failure of a Prestressed Concrete Steel StrandM - High Carbon SteelP - Wire RopeAp - StructureCd - Corrosion Fatigue
Macrography of one wire that was fully cracked, in a longitudial section. The morphology shows multiple corrosion-fatigue cracking.
62
VIEW
ML00155 / Jan.2020
Failure of a Prestressed Concrete Steel Strand
M - High Carbon SteelP - Wire RopeAp - StructureCd - Corrosion Fatigue
Cm - NItal Etched MacroDf - Multiple cracks
Macrography of one wire that was overloaded, showing localized necking and large plastic deformation close to the fracture. This kind of fracture occurred for about 25% of the broken wires.
50
VIEW
ML00155 / Jan.2020
Failure of a Prestressed Concrete Steel Strand
M - High Carbon SteelP - Wire RopeAp - StructureCd - Corrosion Fatigue
Cm - NItal Etched MacroDf - Ductile Fracture
Failure of a Prestressed Concrete Steel Strand
2
VIEW
ML00155 / Jan.2020
Failure of a Prestressed Concrete Steel Strand
M - High Carbon SteelP - Wire RopeAp - StructureCd - Corrosion Fatigue
Cm - NItal Etched MacroDf - Corrosion
Failure of a Prestressed Concrete Steel Strand
3
VIEW
ML00155 / Jan.2020
Failure of a Prestressed Concrete Steel Strand
M - High Carbon SteelP - Wire RopeAp - StructureCd - Corrosion Fatigue
Cm - NItal Etched MacroDf - Longitudinal Section
ML00143 — Impact of a .308 Winchester on A36 PlateM - Low Carbon SteelP - Rolled PlateAp - StructureCd - Pierced
Macrographic detail of the 3/8" thickness low carbon steel plate. The side of bullet exit is to the bottom of the figure. The perforated hole expulsed the material to the top and bottom directions. The hole is in the right side of the figure.
12
VIEW
ML00143 / Aug.2018
Impact of a .308 Winchester on A36 Plate
M - Low Carbon SteelP - Rolled PlateAp - StructureCd - Pierced
Cm - NItal Etched MacroDf - Transverse Section