Statistical analysis of UH3 initiation using electron back-scattered diffraction (EBSD)

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Abstract

Statistical analysis of uranium-hydride (UH3) initiation location was undertaken on an as-received Magnox-U sample using electron back-scattered diffraction (EBSD). Secondary ion mass spectrometry (SIMS) and focused ion beam (FIB) milling were used for UH3 identification and complementary examination of the reacted surface. From the interrogation of 147 hydride sites on the electrochemically etched sample it was found that hydride formation occurred predominantly around grain and twin boundaries. Clear preference of hydride attack was observed around grains with high rotational mismatch.
Original languageEnglish
Pages (from-to)137-145
Number of pages9
JournalSolid State Ionics
Volume296
Early online date20 Sep 2016
DOIs
Publication statusPublished - 15 Nov 2016

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