Microstructure Evolution and Mechanical Properties of Mg-2.5Zn-0.5Y Alloy

Li Zhang; Zheng  Liu; Ping Li Mao

doi:10.4028/www.scientific.net/AMM.380-384.4372

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 380-384Microstructure Evolution and Mechanical Properties...

Microstructure Evolution and Mechanical Properties of Mg-2.5Zn-0.5Y Alloy

Abstract:

The microstructure evolution and mechanical properties of as-extruded Mg-2.5 Zn-0.5Y Mg alloy were investigated. The grainy intermetallic phases (I-phase and w-phase) observed in the as-cast Mg-2.5Zn-0.5Y alloy distributed homogeneously in the hot extruded alloys. Compared with the cast one, the extruded alloy shows predominant mechanical properties as the result of refined microstructure and the dispersed intermetallic phases formed during hot extrusion. The ultimate tensile strength and the yield tensile strength of the extruded alloy were 354.8 MPa and 305.9MPa respectively.

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Periodical:

Applied Mechanics and Materials (Volumes 380-384)

Pages:

4372-4375

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.380-384.4372

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Online since:

August 2013

Authors:

Li Zhang, Zheng Liu, Ping Li Mao

Keywords:

Hot Extrusion, I-Phase, Mechanical Property, Mg-Zn-Y Alloy

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