Linking Surface Precipitation in Fe-Au Alloys to Its Self-healing Potential During Creep Loading

W. W. Sun, H. Fang, N. H. van Dijk, S. van der Zwaag, C. R. Hutchinson

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)
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Abstract

The precipitation of Au-rich precipitates on the external surfaces of Fe-Au alloys has been studied by scanning and transmission electron microscopy. The surface precipitates formed at elevated temperatures are found to self-organize in regular patterns and their growth rate is determined quantitatively. The observed surface precipitation at a free surface is compared to the precipitation at the internal surface of grain boundary cavities induced by creep loading. A close agreement between both processes is observed.

Original languageEnglish
Pages (from-to)2109–2114
Number of pages6
JournalMetallurgical and Materials Transactions A - Physical Metallurgy and Materials Science
Volume48
Issue number5
DOIs
Publication statusPublished - 27 Feb 2017

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