Expanding the extrusion limits of wrought magnesium alloys

Author: Davies Chris   Barnett Matthew  

Publisher: Springer Publishing Company

ISSN: 1543-1851

Source: JOM, Vol.56, Iss.5, 2004-05, pp. : 22-24

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Abstract

Consumption of wrought magnesium products was reduced by half between 1971 and the 1990s. To increase the use of wrought magnesium, several challenges must be overcome: its formability at room temperature is lower than steel or aluminum; its productivity is lower than steel or aluminum; and extruded magnesium exhibits a marked anisotropy of yield when comparing tension and compression. This article describes research on the rapid evaluation of the extrusion behavior of wrought magnesium alloys. The work aims to establish a methodology for rapid prototyping of alloys and to assess the effects of aluminum on the behavior of AZ-series magnesium alloys.