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

被引:261
作者
Nie, JF [1 ]
Muddle, BC [1 ]
机构
[1] Monash Univ, Dept Mat Engn, Clayton, Vic 3168, Australia
关键词
D O I
10.1016/S1359-6462(99)00084-6
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
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.
引用
收藏
页码:1089 / 1094
页数:6
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