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Effects of lithium, indium, and zinc on the lattice parameters of magnesium

Published online by Cambridge University Press:  31 January 2011

A. Becerra  and
M. Pekguleryuz
A. Becerra
Affiliation:
Hatch Associates, Montreal H3B 2G2, Quebec, Canada
M. Pekguleryuz*
Affiliation:
McGill University, Montreal H3A 2B2, Quebec, Canada
*
a)Address all correspondence to this author. e-mail: mihriban.pekguleryuz@mcgill.ca
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Abstract

The lattice parameters of magnesium solid-solution alloys with lithium, indium, and/or zinc have been determined via x-ray diffraction (XRD). Li decreased the axial ratio (c/a) of Mg from 1.624 to 1.6068 within 0–16 at.% Li. Indium increased the c/a of Mg to 1.6261 with increasing In toward 3.3 at.% while Zn showed no effect on c/a in the 0.2–0.7 at.% range. The effects were explained by electron overlap through the first Brillouin zone and by Vegard’s Law. A relationship was determined between electron concentration (e/a) and c/a as c/a = −15.6(e/a)2 + 60(e/a) − 55.8.

Keywords

Crystallographic structureMetalX-ray diffraction (XRD)
Type
Articles
Information
Journal of Materials Research , Volume 23 , Issue 12: Biomimetic and Bio-enabled Materials Science and Engineering , December 2008 , pp. 3379 - 3386
Copyright
Copyright © Materials Research Society 2008

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References

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