Characterization of strengthening precipitate phases in a Mg-Zn alloy

Xiang Sam Gao, Jian Feng Nie

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Abstract

Strengthening precipitate phases in a Mg-8 wt. Zri alloy, aged isothermally at 200 degrees C, have been characterized using transmission electron microscopy and electron microdiffraction. Precipitation at 200 degrees C involves formation of beta(1) and beta(2) transition phases. Contrary to previous studies, the P, phase is found to have a monoclinic structure similar to that of Mg4Zn7. The beta(2) phase is confirmed to have a hexagonal structure similar to that of MgZn2. (c) 2007 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)645 - 648
Number of pages4
JournalScripta Materialia
Volume56
Issue number8
Publication statusPublished - 2007

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