Microstructure

2 cases · 10 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Damage Microstructure: Anisotropy clear all

Microstructure — sub-branches

Alpha and Beta 8Ferrite and Austenite 2

Results

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Micrography of the plate in the middle of the thickness, showing the aligned structure tyical of a rolling process. The sample was mechanically-electrolitically polished and etched with HF (10%) + HNO3 (5%) +H2O (85%) solution.
28
VIEW
ML00144 / Aug.2018
Impact of a .380 Winchester on Ti64 Plate
M - Ti6Al4VP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Micrography by OMDf - Alpha and Beta
Micrographic detail of the ferrite and austenite structure in the transverse section of the forged bar, in the center of the thickness.
53
VIEW
ML00123 / Feb.2018
Non Qualified Superduplex for Subsea
M - Super Duplex Stainless SteelP - BarAp - Oil and GasCd - Not according to spec
Cm - NaOH Electrolytic Etched MicroDf - Ferrite and Austenite

More from these cases

ML00144 — Impact of a .380 Winchester on Ti64 PlateM - Ti6Al4VP - Rolled PlateAp - StructureCd - Non-Pierced
Micrography showing the alpha plus beta microstructure in the middle of the thickness. The sample was mechanically-electrolitically polished and etched with HF (10%) + HNO3 (5%) +H2O (85%) solution.
32
VIEW
ML00144 / Aug.2018
Impact of a .380 Winchester on Ti64 Plate
M - Ti6Al4VP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Micrography by OMDf - Alpha and Beta
Micrographic detail of the plate, showing the alpha (light grains as a matrix) plus beta (dark phase) microstructure. Etched with HF (10%) + HNO3 (5%) +H2O (85%) solution.
28
VIEW
ML00144 / Aug.2018
Impact of a .380 Winchester on Ti64 Plate
M - Ti6Al4VP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Micrography by OMDf - Alpha and Beta
Micrographic detail of the plate, showing the aligned beta phase (dark) in the alpha grains (light) microstructure. Etched with HF (10%) + HNO3 (5%) +H2O (85%) solution.
24
VIEW
ML00144 / Aug.2018
Impact of a .380 Winchester on Ti64 Plate
M - Ti6Al4VP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Micrography by OMDf - Alpha and Beta
Micrographic detail of the plate, showing the aligned beta (dark phase) in alpha microstructure. Etched with HF+ HNO3+H2O solution.
26
VIEW
ML00144 / Aug.2018
Impact of a .380 Winchester on Ti64 Plate
M - Ti6Al4VP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Micrography by OMDf - Alpha and Beta
Micrography by SEM of the plate in the middle of the thickness, showing the alpha microstructure (dark grains) and the beta phase (light). Etched with HF+HNO3+H2O.
35
VIEW
ML00144 / Aug.2018
Impact of a .380 Winchester on Ti64 Plate
M - Ti6Al4VP - Rolled PlateAp - StructureCd - Non-Pierced
Cm - Micrography by OMDf - Alpha and Beta

+2 more from this case →

ML00123 — Non Qualified Superduplex for SubseaM - Super Duplex Stainless SteelP - BarAp - Oil and GasCd - Not according to spec
Micrographic detail of the ferrite and austenite structure in the longitudinal section of the forged bar, in the center of the thickness.
55
VIEW
ML00123 / Feb.2018
Non Qualified Superduplex for Subsea
M - Super Duplex Stainless SteelP - BarAp - Oil and GasCd - Not according to spec
Cm - NaOH Electrolytic Etched MicroDf - Ferrite and Austenite