Raw Material

1 case · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Condition: Damage Microstructure: Coating Layer Capture method: Longitudinal Section Aspect clear all

Raw Material — sub-branches

Chromium Plated 1Tubular Forging 1

Results

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The longitudinal section of the pin shows that it was deformed in a localized position, where the layer was detached, top side of the figure. The pin wall was plastically deformed decreasing the internal diameter.
222
VIEW
ML00146 / Jul.2018
Plastic Deformation of a SDSS Riser Pin
M - Super Duplex Stainless SteelP - PinAp - O&G Well DrillingCd - Bending
Cm - Longitudinal Section AspectDf - Plastic Deformation

More from these cases

ML00146 — Plastic Deformation of a SDSS Riser PinM - Super Duplex Stainless SteelP - PinAp - O&G Well DrillingCd - Bending
The longitudinal section of the pin at the region of the thermal spray layer detachment, showing that the pin suffered a localized lateral bending with strong plastic deformation, responsible for the layer detachment. The figure shows the external surface (top of the figure) with the layer detachment (gray aspect), the thickness of the pin (deformed) and the internal surface (bright aspect).
124
VIEW
ML00146 / Jul.2018
Plastic Deformation of a SDSS Riser Pin
M - Super Duplex Stainless SteelP - PinAp - O&G Well DrillingCd - Bending
Cm - Longitudinal Section AspectDf - Plastic Deformation