Scanning Electron Microscope

1 case · 10 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Alpha & Beta Detail focus: Plastic Deformation clear all

Scanning Electron Microscope — sub-branches

Fractography by SEM 1Micrography by SEM 8Surface Aspect by SEM 1

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Aspect of the surface of the plate, by scanning electron microscopy, at the margin of the projectile impact position, showing a round crack (in the top of the figure).
10
VIEW
ML00144 / Aug.2018
Impact of a .380 Winchester on Ti64 Plate
M - Ti6Al4VP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Surface Aspect by SEMDf - Plastic Deformation

More from these cases

ML00144 — Impact of a .380 Winchester on Ti64 PlateM - Ti6Al4VP - Rolled PlateAp - StructureCd - Non-Pierced
Micrographic detail by scanning electron microscopy of the plate section, close to the surface that suffered the impact. The projectile melted and created a film at the surface. The plate material presented a localized plastic deformation, aligning the grains. HF+HNO3+H2O chemical etch.
11
VIEW
ML00144 / Aug.2018
Impact of a .380 Winchester on Ti64 Plate
M - Ti6Al4VP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Micrography by SEMDf - Plastic Deformation
Micrographic detail by scanning electron microscopy of the shearing of the material due to the projectile impact. It is a very localized plastic deformation effect, and there are several microvoids opening in the microstructure (phase boundaries). HF+HNO3+H2O chemical etch.
15
VIEW
ML00144 / Aug.2018
Impact of a .380 Winchester on Ti64 Plate
M - Ti6Al4VP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Micrography by SEMDf - Plastic Deformation
Micrographic detail by scanning electron microscopy of the shearing of the material due to the projectile impact. Inside the cracks it is possible to see dimples, HF+HNO3+H2O chemical etch.
19
VIEW
ML00144 / Aug.2018
Impact of a .380 Winchester on Ti64 Plate
M - Ti6Al4VP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Micrography by SEMDf - Plastic Deformation
Micrographic detail by scanning electron microscopy of the very localized plastic deformation between inclusions in the material creating longitudinal ductile secondary cracks. HF+HNO3+H2O chemical etch.
10
VIEW
ML00144 / Aug.2018
Impact of a .380 Winchester on Ti64 Plate
M - Ti6Al4VP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Micrography by SEMDf - Plastic Deformation
Micrographic detail by scanning electron microscopy of the very localized plastic deformation between inclusions in the material creating longitudinal ductile secondary cracks. HF+HNO3+H2O chemical etch.
10
VIEW
ML00144 / Aug.2018
Impact of a .380 Winchester on Ti64 Plate
M - Ti6Al4VP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Micrography by SEMDf - Plastic Deformation

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