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2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Cored Matrix Capture method: Naked Eye or Stereoscope clear all

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Macrography of a ring transverse section presenting a large variation in the grain size, revealing the diferences in the solidification rate.
453
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ML00166 / Jul.2020
Tin Bronze Wear Ring of Seawater Pump
M - Tin BronzeP - Wear RingAp - ShipCd - Removed From Service
Cm - FeCl3+HCl+H2O solution Etched MacroDf - Casting Structure
Macrography of a longitudinal section of the valve body, presenting the granular structure. The main bore diameter is 2". The casting was tested in two positions. In radial direction in the center of the body (3" solid), and in the longitudinal direction in the wall (1" thick).
78
VIEW
ML00164 / Jun.2020
Austenitic SS Casting for Valve Body
M - Austenitic Stainless SteelP - CastingAp - ValveCd - Typical manufacturing
Cm - Macro Oxalic Acid Electrolytic EtchedDf - Longitudinal Section