Damage

2 cases · 5 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Application: Structure Microstructure: Tempered Martensite Capture method: Naked Eye or Stereoscope clear all

Damage — sub-branches

Fabrication Defect 1Shooting Effect 1

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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.
57
VIEW
ML00142 / Aug.2018
Impact of a .308 Winchester on AR500 Plate
M - Low Alloy Wear ResistantP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Longitudinal Section AspectDf - Longitudinal Section
Aspect of the all weld metal broken tensile test conducted in the sample removed from structure close to the region where the cracking was detected, indicating that the material entrapped hydrogen for several days, since the test was conducted more than 2 weeks later than the cracking was detected.
61
VIEW
ML00010 / Oct.2017
Cold Cracks in a Gouged Weld Metal
M - Low Alloy Low Carbon QTP - Rolled PlateAp - OffshoreCd - Welding Defect
Cm - Fracture Surface AspectDf - Fish Eye

More from these cases

ML00142 — Impact of a .308 Winchester on AR500 PlateM - Low Alloy Wear ResistantP - Rolled PlateAp - StructureCd - Non-Pierced
Detail of the position in the plate of impact with the projectile. No damage, only particles adhered at the surface.
36
VIEW
ML00142 / Aug.2018
Impact of a .308 Winchester on AR500 Plate
M - Low Alloy Wear ResistantP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Surface AspectDf - Low Mag
Aspect of the 3/8" thickness plate, 50 mm x 50 mm, of the AR500 wear resistant steel, in a section transverse to the impact position evidencing lack of plastic deformation, or any other damage. The impact surface is to the top of the figure.
29
VIEW
ML00142 / Aug.2018
Impact of a .308 Winchester on AR500 Plate
M - Low Alloy Wear ResistantP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Transverse Section AspectDf - Transverse Section
Macrography of the plate section, presenting the impact surface in the top of the figure. It is possible to see the lines with a gradient in the etch that characterizes the segregations (light) in the center of the plate.
19
VIEW
ML00142 / Aug.2018
Impact of a .308 Winchester on AR500 Plate
M - Low Alloy Wear ResistantP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - NItal Etched MacroDf - Low Mag