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2 cases · 108 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Pierced clear all

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Red painted device where the 50 mm x 50 mm 6061 T6 aluminum alloy plate was positioned (in the circle). The image presents the target, positioned 100 meters far from the gun, after the shot and the projectile perforated the plate.
478
VIEW
ML00145 / Sep.2018
Impact of a .380 Winchester on 6061 T6 Plate
M - Aluminum Magnesium SiliconP - Rolled PlateAp - StructureCd - Pierced
Cm - Aspect Before AnalysisDf - General View
Red painted device where the 50 mm x 50 mm carbon steel plate was positioned (in the circle). The image presents the target, positioned 100 meters far from the gun, after the shot and the projectile perforated the plate, as will be presented in the other figures.
602
VIEW
ML00143 / Aug.2018
Impact of a .308 Winchester on A36 Plate
M - Low Carbon SteelP - Rolled PlateAp - StructureCd - Pierced
Cm - Aspect Before AnalysisDf - General View

More from these cases

ML00145 — Impact of a .380 Winchester on 6061 T6 PlateM - Aluminum Magnesium SiliconP - Rolled PlateAp - StructureCd - Pierced
Aspect of a typical .308 Winchester projectile, similar to the one adopted to shot the plate, cut in a longitudinal section. It is a Cu alloy case filled with Pb-Sb.
61
VIEW
ML00145 / Sep.2018
Impact of a .380 Winchester on 6061 T6 Plate
M - Aluminum Magnesium SiliconP - Rolled PlateAp - StructureCd - Pierced
Cm - Longitudinal Section AspectDf - Longitudinal Section
Aspect of the 3/8" thickness plate, 50 mm x 50 mm, of the aluminum alloy plate, in the face of impact with the projectile. The plate was perforated by the bullet.
52
VIEW
ML00145 / Sep.2018
Impact of a .380 Winchester on 6061 T6 Plate
M - Aluminum Magnesium SiliconP - Rolled PlateAp - StructureCd - Pierced
Cm - Aspect Before AnalysisDf - General View
Micrography of the plate in a section, in the middle of the thickness. The aligned pitting is associated to the chemical etch of inclusions and second phases. The structure is granular but the grain boundaries do not appear at that magnification, originally 50x.
50
VIEW
ML00145 / Sep.2018
Impact of a .380 Winchester on 6061 T6 Plate
M - Aluminum Magnesium SiliconP - Rolled PlateAp - StructureCd - Pierced
Cm - Keller Etched Micrography by OMDf - Aligned particles
Micrography of the plate in a section, in the middle of the thickness, in a position where the plate was not affected by the shot. The microstructure is granular although the grain boundaries are not resolvable at this magnification. The black spots are localized corrosion in aligned particles.
49
VIEW
ML00145 / Sep.2018
Impact of a .380 Winchester on 6061 T6 Plate
M - Aluminum Magnesium SiliconP - Rolled PlateAp - StructureCd - Pierced
Cm - Keller Etched Micrography by OMDf - Aligned particles
Micrographic detail of the plate in the middle of the thickness. At this magnification it is possible to see the grain boundaries and the black spots are localized etching in aligned particles.
43
VIEW
ML00145 / Sep.2018
Impact of a .380 Winchester on 6061 T6 Plate
M - Aluminum Magnesium SiliconP - Rolled PlateAp - StructureCd - Pierced
Cm - Keller Etched Micrography by OMDf - Granular structure

+45 more from this case →

ML00143 — Impact of a .308 Winchester on A36 PlateM - Low Carbon SteelP - Rolled PlateAp - StructureCd - Pierced
Aspect of a typical .308 Winchester projectile, similar to the one adopted to shot the plate, cut in a longitudinal section. It is a Cu alloy case filled with Pb-Sb.
92
VIEW
ML00143 / Aug.2018
Impact of a .308 Winchester on A36 Plate
M - Low Carbon SteelP - Rolled PlateAp - StructureCd - Pierced
Cm - Longitudinal Section AspectDf - Longitudinal Section
Aspect of the 3/8" thickness plate, 50 mm x 50 mm, of the low carbon steel steel, in the face of impact with the projectile. The plate was perforated by the bullet.
88
VIEW
ML00143 / Aug.2018
Impact of a .308 Winchester on A36 Plate
M - Low Carbon SteelP - Rolled PlateAp - StructureCd - Pierced
Cm - Aspect Before AnalysisDf - General View
Micrography of the plate in a section, showing a ferritic-pearlitic microstructure in the middle of the thickness.
84
VIEW
ML00143 / Aug.2018
Impact of a .308 Winchester on A36 Plate
M - Low Carbon SteelP - Rolled PlateAp - StructureCd - Pierced
Cm - Nital Etched Micrography by OMDf - Ferrite and Pearlite
Micrography of the plate in a section, showing a ferritic-pearlitic microstructure in the middle of the thickness, in a position where the plate was not affected by the shot.
65
VIEW
ML00143 / Aug.2018
Impact of a .308 Winchester on A36 Plate
M - Low Carbon SteelP - Rolled PlateAp - StructureCd - Pierced
Cm - Nital Etched Micrography by OMDf - Ferrite and Pearlite
Micrographic detail of the plate in a section, showing a ferritic-pearlitic microstructure in the middle of the thickness.
66
VIEW
ML00143 / Aug.2018
Impact of a .308 Winchester on A36 Plate
M - Low Carbon SteelP - Rolled PlateAp - StructureCd - Pierced
Cm - Nital Etched Micrography by OMDf - Ferrite and Pearlite

+51 more from this case →