X-Ray Study on Mg-Sm Alloy Produced by HPT

Abstract:

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The purpose of this study is to reveal the cause of hardening of magnesium base alloys by the high pressure torsion processing (HPT) using X-ray diffraction. HPT was applied to Mg base alloys of the Mg-Sm system (2.8-5.5 mass %Sm). HPT was performed under pressure 4GPa at 20 oC and 200 oC. HPT results in significant strengthening of the Mg-Sm alloys due to the formation of sub microcrystalline structure. The dynamic recrystallization was realized through the pole figure measurement and the photograph of X-ray back scattering. The Mg supersaturated solid solution decomposition during HPT was observed by the X-ray profile analysis and the calculation of lattice constants of the Mg phase.

Info:

Periodical:

Materials Science Forum (Volumes 561-565)

Main Theme:

Edited by:

Young Won Chang, Nack J. Kim and Chong Soo Lee

Pages:

917-920

DOI:

10.4028/www.scientific.net/MSF.561-565.917

Citation:

M. Gotoh et al., "X-Ray Study on Mg-Sm Alloy Produced by HPT", Materials Science Forum, Vols. 561-565, pp. 917-920, 2007

Online since:

October 2007

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Price:

$35.00

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