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1 case · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Grain Boundary Phases Capture method: Optical Microscope Detail focus: Grain boundary intermetallics clear all

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Removed From Service 1

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Micrographic detail of the cored alpha structure with light segregation at intergranular regions (light layer at grain boundaries), and a white euctetoid structure (alpha and delta) at interdendritic space. This structure is in a region close to the ring surface, where the solidification was quicker.
49
VIEW
ML00166 / Jul.2020
Tin Bronze Wear Ring of Seawater Pump
M - Tin BronzeP - Wear RingAp - ShipCd - Removed From Service
Cm - FeCl3+HCl+H2O Etched MicroDf - Grain boundary intermetallics

More from these cases

ML00166 — Tin Bronze Wear Ring of Seawater PumpM - Tin BronzeP - Wear RingAp - ShipCd - Removed From Service
Micrographic detail of the cored alpha structure with strong segregation at intergranular regions (dark layer at grain boundaries), and a white euctetoid structure (alpha and delta) at interdendritic space. This structure is in a region close to the center of the ring, where the solidification was slower.
47
VIEW
ML00166 / Jul.2020
Tin Bronze Wear Ring of Seawater Pump
M - Tin BronzeP - Wear RingAp - ShipCd - Removed From Service
Cm - FeCl3+HCl+H2O Etched MicroDf - Grain boundary intermetallics