Structure

1 case · 8 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Granular Standard: ALLOY Capture method: Naked Eye or Stereoscope clear all

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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

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ML00145 — Impact of a .380 Winchester on 6061 T6 PlateM - Aluminum Magnesium SiliconP - Rolled PlateAp - StructureCd - Pierced
Detail of the position where the projectile strike the plate. The plate suffered a localized perforation.
29
VIEW
ML00145 / Sep.2018
Impact of a .380 Winchester on 6061 T6 Plate
M - Aluminum Magnesium SiliconP - Rolled PlateAp - StructureCd - Pierced
Cm - Surface AspectDf - Low Mag
Detail of the position where the projectile exited the plate. The plate suffered a localized perforation.
32
VIEW
ML00145 / Sep.2018
Impact of a .380 Winchester on 6061 T6 Plate
M - Aluminum Magnesium SiliconP - Rolled PlateAp - StructureCd - Pierced
Cm - Surface AspectDf - Low Mag
Detail of the margin of the perforated hole in the impact position. It is interesting to observe that the perforation caused the material to be expulsed from the hole, in the direction of the impact.
31
VIEW
ML00145 / Sep.2018
Impact of a .380 Winchester on 6061 T6 Plate
M - Aluminum Magnesium SiliconP - Rolled PlateAp - StructureCd - Pierced
Cm - Surface AspectDf - Plastic Deformation
Aspect of the 3/8" thickness, 50 mm x 50 mm, 6061 T6 aluminum plate, in a section transverse to the impact position that 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.
23
VIEW
ML00145 / Sep.2018
Impact of a .380 Winchester on 6061 T6 Plate
M - Aluminum Magnesium SiliconP - Rolled PlateAp - StructureCd - Pierced
Cm - Transverse Section AspectDf - Transverse Section
Macrography of the 3/8" thickness aluminum alloy 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).
19
VIEW
ML00145 / Sep.2018
Impact of a .380 Winchester on 6061 T6 Plate
M - Aluminum Magnesium SiliconP - Rolled PlateAp - StructureCd - Pierced
Cm - Keller Etched MacroDf - Transverse Section

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