Hot-Extruded Microstructure and Mechanical Properties of Mg-Al-Sn Alloys

Young Mo Kim; Soon Sub Park; Seul Ki Park; Hyeon Taek Son; Jae Seol Lee

doi:10.4028/www.scientific.net/DDF.297-301.1037

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HomeDefect and Diffusion ForumDefect and Diffusion Forum Vols. 297-301Hot-Extruded Microstructure and Mechanical...

Hot-Extruded Microstructure and Mechanical Properties of Mg-Al-Sn Alloys

Abstract:

The microstructure of as-cast Mg-xAl-2Sn alloys consists of an α-Mg matrix, a Mg17Al12 eutectic phase and a Mg2Sn phase. In as-cast alloys, the Mg17Al12 eutectic phase was located at along grain boundaries. The eutectic phase of the extruded alloys was elongated in the extrusion direction and crushed into fine particles because of deformation during hot extrusion, and the grain size was refined with an increased Al content. The maximum values of the yield strength and tensile strength were 240 MPa and 300 MPa at 9 wt.% containing Al element, respectively.

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Periodical:

Defect and Diffusion Forum (Volumes 297-301)

Pages:

1037-1041

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https://doi.org/10.4028/www.scientific.net/DDF.297-301.1037

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Online since:

April 2010

Authors:

Young Mo Kim, Soon Sub Park, Seul Ki Park, Hyeon Taek Son, Jae Seol Lee

Keywords:

Hot Extrusion, Mechanical Property, Mg₁₇Al₁₂ Phase, Mg-Al Alloy

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