Structure

3 cases · 12 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Shooting Effect Capture method: Scanning Electron Microscope Detail focus: Sampling and Analysis clear all

Results

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Detail of the plate surface showing striation as the finishing, deformed by the projectile effect in shearing the thickness.
24
VIEW
ML00145 / Sep.2018
Impact of a .380 Winchester on 6061 T6 Plate
M - Aluminum Magnesium SiliconP - Rolled PlateAp - StructureCd - Pierced
Cm - Surface Aspect by SEMDf - At the Surface
Detail of the margin of the perforated hole in the side where the projectil stroke the plate. The smooth aspect in the hole (left side of the image) is generated by the melted material from the bullet.
41
VIEW
ML00143 / Aug.2018
Impact of a .308 Winchester on A36 Plate
M - Low Carbon SteelP - Rolled PlateAp - StructureCd - Pierced
Cm - Surface Aspect by SEMDf - At the Surface
Microscopically aspect of the plate surface at the bullet impact, by scanning electron microscopy, presenting the foreign material from the bullet adhered at the surface.
34
VIEW
ML00142 / Aug.2018
Impact of a .308 Winchester on AR500 Plate
M - Low Alloy Wear ResistantP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Surface Aspect by SEMDf - Low Mag

More from these cases

ML00145 — Impact of a .380 Winchester on 6061 T6 PlateM - Aluminum Magnesium SiliconP - Rolled PlateAp - StructureCd - Pierced
Detail of the plate surface showing striation as the finishing, deformed by the projectile effect in shearing the thickness.
24
VIEW
ML00145 / Sep.2018
Impact of a .380 Winchester on 6061 T6 Plate
M - Aluminum Magnesium SiliconP - Rolled PlateAp - StructureCd - Pierced
Cm - Surface Aspect by SEMDf - At the Surface
High magnification detail of the plate surface showing the deformed striation.
21
VIEW
ML00145 / Sep.2018
Impact of a .380 Winchester on 6061 T6 Plate
M - Aluminum Magnesium SiliconP - Rolled PlateAp - StructureCd - Pierced
Cm - Surface Aspect by SEMDf - At the Surface
Detail of the perforated hole showing regions of melted material (from the bullet) in the sheared face.
15
VIEW
ML00145 / Sep.2018
Impact of a .380 Winchester on 6061 T6 Plate
M - Aluminum Magnesium SiliconP - Rolled PlateAp - StructureCd - Pierced
Cm - Surface Aspect by SEMDf - At the Surface
ML00143 — Impact of a .308 Winchester on A36 PlateM - Low Carbon SteelP - Rolled PlateAp - StructureCd - Pierced
Detail of the margin of the perforated hole in the side where the projectil stroke the plate. Ductile dimples of the plate (right side of the figure) and a film of melted Pb-Sb from the bullet.
36
VIEW
ML00143 / Aug.2018
Impact of a .308 Winchester on A36 Plate
M - Low Carbon SteelP - Rolled PlateAp - StructureCd - Pierced
Cm - Surface Aspect by SEMDf - At the Surface
Detail of the melted Pb-Sb film over the hole surface.
33
VIEW
ML00143 / Aug.2018
Impact of a .308 Winchester on A36 Plate
M - Low Carbon SteelP - Rolled PlateAp - StructureCd - Pierced
Cm - Surface Aspect by SEMDf - At the Surface
ML00142 — Impact of a .308 Winchester on AR500 PlateM - Low Alloy Wear ResistantP - Rolled PlateAp - StructureCd - Non-Pierced
Microscopically aspect of the plate surface in the center of the bullet impact. The light and smooth surface is the melted bullet on the plate and the dark surface is the steel plate with oxides and very small surface cracks (10 microns length).
30
VIEW
ML00142 / Aug.2018
Impact of a .308 Winchester on AR500 Plate
M - Low Alloy Wear ResistantP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Surface Aspect by SEMDf - At the Surface
Detailed aspect of the plate surface where there was the bullet impact, by scanning electron microscopy, showing that the bullet has melted and solidified on the surface. The EDS analysis showed Pb-Sb peaks.
32
VIEW
ML00142 / Aug.2018
Impact of a .308 Winchester on AR500 Plate
M - Low Alloy Wear ResistantP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Surface Aspect by SEMDf - At the Surface
Aspect of the plate surface a little far from the region of bullet impact, by scanning electron microscopy, showing bullet melted islands on the surface. The EDS analysis showed Pb-Sb peaks.
25
VIEW
ML00142 / Aug.2018
Impact of a .308 Winchester on AR500 Plate
M - Low Alloy Wear ResistantP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Surface Aspect by SEMDf - At the Surface
Detailed aspect of the plate surface a little far from the region of bullet impact, by scanning electron microscopy, showing bullet melted islands on the surface. The EDS analysis showed Pb-Sb peaks.
24
VIEW
ML00142 / Aug.2018
Impact of a .308 Winchester on AR500 Plate
M - Low Alloy Wear ResistantP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Surface Aspect by SEMDf - At the Surface