Quantitative analysis of aluminum alloys by laser-induced breakdown spectroscopy and plasma characterization

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DOIResolve DOI: http://doi.org/10.1366/0003702953964408
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TypeArticle
Journal titleApplied Spectroscopy
ISSN0003-7028
Volume49
Issue4
Pages499507; # of pages: 9
SubjectAluminum alloy; Electron density; Emission spectroscopy; LIBS; Plasma temperature; Time resolution
AbstractLaser-induced breakdown spectroscopy has been applied to perform elemental analysis of aluminum alloy targets. The plasma is generated by focusing a pulsed Nd:YAG laser on the target in air at atmospheric pressure. Such a plasma was characterized in terms of its appearance, emission spectrum, space-integrated excitation temperature, and electron density. The electron density is inferred from the Stark broadening of the profiles of ionized aluminum lines. The temperature is obtained by using Boltzmann plots of the neutral iron lines. Calibration curves for magnesium, manganese, copper, and silicon were produced. The detection limits are element-dependent but are on the order of 10 ppm.
Publication date
LanguageEnglish
AffiliationNRC Industrial Materials Institute; National Research Council Canada
Peer reviewedYes
NPARC number21277086
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Record identifier01f64f17-5881-48ad-99ac-d00869ab476f
Record created2015-11-23
Record modified2016-05-09
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