Study of Mg–Al–Ca magnesium alloy ameliorated with designed Al8Mn4Gd phase

Study of Mg–Al–Ca magnesium alloy ameliorated with designed Al8Mn4Gd phase

To investigate the effect of Al8Mn4Gd phase on microstructural and mechanical properties of Mg–Al–Ca magnesium alloy, two Mg–2.5Al2Ca and Mg–2.5Al2Ca-0.1Al8Mn4Gd alloys were designed and compared in this work. The results show that a small amount of Gd can significantly refine α-Mg grains and change...

Full description

Bibliographic Details
Main Authors: Chaosheng Ma, Wenbo Yu, Xufeng Pi, Antoine Guitton
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2020-12-01
Series:Journal of Magnesium and Alloys
Subjects:
Mg–Al–Ca alloy
Al8Mn4Gd phase
Microstructure and mechanical properties
Hot rolling
Online Access:http://www.sciencedirect.com/science/article/pii/S2213956720301481
Description
Summary:To investigate the effect of Al8Mn4Gd phase on microstructural and mechanical properties of Mg–Al–Ca magnesium alloy, two Mg–2.5Al2Ca and Mg–2.5Al2Ca-0.1Al8Mn4Gd alloys were designed and compared in this work. The results show that a small amount of Gd can significantly refine α-Mg grains and change the morphology of Al2Ca particles. Indeed, the formed Al8Mn4Gd phase could serve as a heterogeneous nucleation site for the α-Mg grains and Al2Ca particles. Furthermore, the introduction of Gd not only optimized the mechanical properties of Mg–Al–Ca alloy, but also facilitated the thermal deformation (such as hot rolling).
ISSN:2213-9567

Similar Items