UNS

2 cases · 2 images

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Application: Ship Detail focus: Soundness clear all

UNS — sub-branches

C28000 1C60800 1C92200 1F32800 1G10100 1G10200 1G12110 1G61500 1S15500 1S32304 1

Results

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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
VIEW
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
Micrography of a transverse section of the engine bearing, close to the internal surface, showing two layers of bearing alloys that presents a total thickness of 600 microns.
29
VIEW
ML00083 / Oct.2017
Steel Back of a Bimetallic Engine Bearing
M - Low Carbon SteelP - Cold FormedAp - ShipCd - Removed From Service
Cm - Nital Etched Micrography by OMDf - Surface Layer