Zirconium alloys are used in nuclear reactors owing to their low capture cross-section for thermal neutrons and good mechanical and corrosion properties. However, they suffer from delayed hydrogen cracking (DHC) due to the formation of hydride particles.
Hydrided electron beam welded zirconium alloy specimens were prepared by electro-polishing. The specimens were characterised in a FEG SEM and the EBSD technique using Oxford Instruments EBSD detectors and AZtecHKL software.
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