Processing Conditions and Mechanical Properties of Fine Grained Mg by Equal Channel Angular Pressing

Abstract:

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Mg and Mg alloys are promising materials for light weight high strength applications. In this paper, grain refinement of pure Mg using severe plastic deformation was tried to enhance mechanical properties of the hard-to-deform metallic material. The microstructure and the mechanical properties of Mg processed by equal channel angular pressing (ECAP) at various processing temperatures were investigated experimentally. ECAP of channel angle of 90o and corner angle of 0o was successful without fracture of the samples at 300 oC. The hardness of the ECAP processed Mg decreased with increasing ECAP processing temperature. The effect of temperature on the hardness and microstructure of the ECAP processed Mg were explained by the dislocation glide in the basal plane and non-basal slip systems and the dynamic recrystallization and recovery.

Info:

Periodical:

Key Engineering Materials (Volumes 340-341)

Edited by:

N. Ohno and T. Uehara

Pages:

913-917

DOI:

10.4028/www.scientific.net/KEM.340-341.913

Citation:

S. C. Yoon et al., "Processing Conditions and Mechanical Properties of Fine Grained Mg by Equal Channel Angular Pressing", Key Engineering Materials, Vols. 340-341, pp. 913-917, 2007

Online since:

June 2007

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Price:

$35.00

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