Damage

1 case · 1 image

Crevice Corrosion in a Subsea System — Aspect Before Analysis

Microstructure: Martensite Capture method: Nital Etched Micrography by OM Detail focus: Pitting clear all

Damage — sub-branches

Brittle Behavior 2Corrosion 4Fabrication Defect 4Hydrogen 1Wear 1

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The disc spring presented several small pits, as this one, that did not propagate.
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ML00080 / Sep.2017
MIC of Stacking Disc Springs
M - Low Alloy Medium Carbon QTP - SpringAp - SubseaCd - Brittle Behavior
Cm - Nital Etched Micrography by OMDf - Pitting