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基于激光诱导击穿光谱技术的铝合金成分定量分析
引用本文:孙对兄,苏茂根,董晨钟,王向丽,张大成,马新文.基于激光诱导击穿光谱技术的铝合金成分定量分析[J].物理学报,2010,59(7):4571-4576.
作者姓名:孙对兄  苏茂根  董晨钟  王向丽  张大成  马新文
作者单位:1. 西北师范大学物理与电子工程学院,兰州,730070
2. 中国科学院近代物理研究所,兰州,730000
基金项目:国家自然科学基金(批准号:10774122,10876028)、高等学校博士学科点专项科研基金(批准号:20070736001)、兰州重离子加速器国家实验室原子核理论中心基金和西北师范大学科技创新工程基金(批准号:NWNU-KJCXGC-03-21)资助的课题.
摘    要:利用Nd:YAG激光器输出的532nm激光束对位于空气中的标准变形铝合金样品进行烧蚀产生了激光诱导等离子体.对测量的230—440nm波长范围的光谱进行了谱线标定,同时基于自由定标方法对样品成分进行了定量分析,确定了样品中的元素含量.分析结果与标准值具有较好的一致性.

关 键 词:激光诱导击穿光谱  局域热力学平衡  铝合金  定量分析
收稿时间:2009-07-27

Quantitative analysis of element concentration in Al alloy by using laser-induced breakdown spectroscopy
Sun Dui-Xiong,Su Mao-Gen,Dong Chen-Zhong,Wang Xiang-Li,Zhang Da-Cheng,Ma Xin-Wen.Quantitative analysis of element concentration in Al alloy by using laser-induced breakdown spectroscopy[J].Acta Physica Sinica,2010,59(7):4571-4576.
Authors:Sun Dui-Xiong  Su Mao-Gen  Dong Chen-Zhong  Wang Xiang-Li  Zhang Da-Cheng  Ma Xin-Wen
Institution:College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China;College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China;College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China;College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China;Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China;Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
Abstract:Laser-induced breakdown plasma is produced by using Q-switched Nd: YAG laser operating at 532 nm, which interacts with the Al alloy sample target in air. The spectral lines in the 230—440 nm wavelength range have been identified, and based on the calibration-free method, the mass concentration of Al alloy are obtained, which is in good agreement with the standard value of the sample.
Keywords:laser-induced breakdown spectroscopy  local thermodynamic equilibrium  Al alloy  quantitative analysis
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