Precipitation in magnesium alloy WE54 during isothermal ageing at 250°C

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Abstract

The precipitate microstructures in magnesium alloy WE54, aged isothermally at 250°C, were characterized using transmission electron microscopy. Ageing at 250°C was found to involve precipitation of three separate metastable phases preceding formation of the equilibrium phase β. The intermediate products include an unidentified phase formed as fine-scale {1120}α platelets and the phases β′ and β1.

Original languageEnglish
Pages (from-to)1089-1094
Number of pages6
JournalScripta Materialia
Volume40
Issue number10
DOIs
Publication statusPublished - 23 Apr 1999

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