Granular

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Crevice Corrosion in a Subsea System — Aspect Before Analysis

Capture method: Kalling Etched Macro Detail focus: Intergranular Cracking clear all

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Micrographic detail of a longitudinal section of the connector, at the fracture surface (in the top), showing intergranular secondary cracks. There is a large amount of delta phase precipitated intergranular and intragranluar.
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ML00078 / Jun.2017
Hydrogen Cracking of IN 718 Subsea Connector
M - NiCrFe AlloyP - ForgingAp - SubseaCd - Hydrogen Embrittlement
Cm - Kalling Etched MacroDf - Intergranular Cracking