QUANTITATIVE-ANALYSIS OF ALUMINUM-ALLOYS BY LASER-INDUCED BREAKDOWN SPECTROSCOPY AND PLASMA CHARACTERIZATION

被引：389

作者：

SABSABI, M ^{[1
]}

CIELO, P ^{[1
]}

机构：

[1] NATL RES COUNCIL CANADA,INST IND MAT,BOUCHERVILLE,PQ J4B 6Y4,CANADA

来源：

APPLIED SPECTROSCOPY | 1995年 / 49卷 / 04期

关键词：

LIBS; EMISSION SPECTROSCOPY; ALUMINUM ALLOY; TIME RESOLUTION; PLASMA TEMPERATURE; ELECTRON DENSITY;

D O I：

10.1366/0003702953964408

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Laser-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.

引用

页码：499 / 507

页数：9

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