²⁷Al and ⁷Li spin-echo and spin-echo double resonance NMR applications to the study of lithium depletion and surface oxidation in Al-Li alloy

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DOIResolve DOI: http://doi.org/10.1002/mrc.967
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TypeArticle
Journal titleMagnetic Resonance in Chemistry
Volume40
Issue1
Pages8186; # of pages: 6
AbstractThe physical properties and the near-surface microstructures of Al–Li alloys are known to be affected by thermo-mechanical processes during alloy manufacture. The research reported here explored ²⁷Al and ⁷Li spin-echo and spin-echo double resonance NMR to follow the structural changes that accompany lithium depletion and oxidation processes at the alloy surface. The NMR analysis generally agrees with conclusions reached previously using other analytical methods. The major oxide compound generated is Li₂CO₃ and the minor oxide compound is LiAlO₂;, which is formed at higher temperatures. LiAlO₂ is shown to be formed in spatially confined clusters on the surface of the Li-depleted, Al-rich near-surface layer. Copyright © 2001 John Wiley & Sons, Ltd.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedNo
NPARC number12330793
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Record identifierdf1e4b30-d312-4e8e-be03-154f0db4c8b8
Record created2009-09-10
Record modified2016-05-09
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