Control of Microstructure and Texture for Mechanical Properties of Mg-Al-Zn Alloys

Ha Guk Jeong; Jongbeom Lee; Yong Geun Kim

doi:10.4028/www.scientific.net/MSF.695.206

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HomeMaterials Science ForumMaterials Science Forum Vol. 695Control of Microstructure and Texture for...

Control of Microstructure and Texture for Mechanical Properties of Mg-Al-Zn Alloys

Abstract:

In Mg-Al-Zn alloy sheets, the grains were refined from 30 mm to 2 mm during the process of differential speed rolling at 473 K, having approximately the same size dominate at a high thickness reduction rate of 60 %. In addition to these microstructural changes, the rolled sheets showed a weaker texture characterized by pole than those of commercial sheets. The DSR sheets have equal value of elongation at 0, 45, and 90 degrees from the rolling direction. With the mechanical properties, the results of Erichsen test indicate that DSR process remarkably enhanced ductility of the present Mg alloy sheets at room temperature.

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Periodical:

Materials Science Forum (Volume 695)

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206-210

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.695.206

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Online since:

July 2011

Authors:

Ha Guk Jeong, Jongbeom Lee, Yong Geun Kim

Keywords:

Differential Speed Rolling, Magnesium, Microstructure, Texture

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