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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 540Mechanical Properties of the Extruded Mg-Zn-Mn-Ca...

Mechanical Properties of the Extruded Mg-Zn-Mn-Ca Alloy for Biomedical Application

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Abstract:

As-cast Mg-2Zn-1Mn-xCa (x=0.5 and 1.5 wt.%) alloys are extruded a 553K with an extrusion ratio of 11.3:1 as biomedical materials. The microstructures of the extruded Mg-2Zn-1Mn-xCa alloys are investigated. Microstructures show that the dynamic recrystallization (DRX) occurs after the extruded process. The grain size of the extruded Mg-2Zn-1Mn-1.5Ca alloy is significantly refined compared to that of Mg-2Zn-1Mn-0.5Ca alloy. The tensile strength increases and the elongation decreases with an increase of Ca content. The improvement of tensile strength can be attibuted to the pesence of Mg₂Ca phase. However, Mg₂Ca phase is bristle, which results in the elongation reducing.

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Periodical:

Applied Mechanics and Materials (Volume 540)

Pages:

356-359

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.540.356

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Online since:

April 2014

Authors:

Hui Du*, Zun Jie Wei

Keywords:

Dynamic Recrystallization (DRX), Magnesium Alloy, Mechanical Property, Microstructure

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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