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激光剥蚀-电感耦合等离子体原子发射光谱法分析金属材料镀层
          
ICP-AES Analysis of Coating of Metal Materials with Sampling by Laser Ablation

摘    要
应用激光剥蚀(LA)采样与电感耦合等离子体原子发射光谱法联用技术对6种代表性样品进行了镀层分析,测得了镀层和基体的组分以及镀层的厚度等数据。以信号强度对时间作图得到时间分辨图。根据在一定时间段内采集到的镀层元素与基体元素的信号强度的变化可判断镀层与基体的分界处,并通过分辨图中出现镀层元素信号的持续时间按公式计算镀层的厚度。在激光剥蚀操作中,对其他条件如激光能量水平、脉冲频率、剥蚀孔径及载气流量等也进行了优化选择。本方法测得的6件样品的镀层厚度数据与金相显微镜目测法所得结果相符。
标    签 激光剥蚀   电感耦合等离子体原子发射光谱   金属材料   镀层分析   Laser ablation   ICP-AES   Metal materials   Analysis of coatings  
 
Abstract
Sampling by laser ablation in hyphenation with ICP-AES was applied to the analysis of coating of metal materials, and 6 typical samples were taken for the analysis. Data of components or elements in the coating layer and in the matrix, as well as the thickness of the coating were found. At the same time, some other conditions for ablation, i.e. energy level of laser, pulse frequency, bore diameter of ablation and flow-rate of carrier gas were also optimized. A timing-resolution graph was obtained by plotting values of signal intensity vs. time of ablation from which the line of demarcation between coating and matrix was determined from the data of variation of signal intensities of elements of coating and of matrix collected in definite time interval; and on the base of sustained time for the appearance of signal of element of the coating, thickness of coating layer was calculated by a given formula. It was found that values of thickness of coatings of the 6 samples were found to check quite well with the values obtained by the method of metallography.

中图分类号 O657.31

 
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所属栏目 工作简报

基金项目 上海出入境检验检疫局项目(HK015-2010)

收稿日期 2013/4/3

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备注周韵(1981-),女,安徽巢湖人,工程师,硕士,研究方向为光谱分析。

引用该论文: ZHOU Yun,CHU Min-sheng,GONG Si-wei,JI Jing,ZHI Hui-bo,WU Yi-wen. ICP-AES Analysis of Coating of Metal Materials with Sampling by Laser Ablation[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2013, 49(11): 1305~1308
周韵,楚民生,龚思维,吉静,郅惠博,吴益文. 激光剥蚀-电感耦合等离子体原子发射光谱法分析金属材料镀层[J]. 理化检验-化学分册, 2013, 49(11): 1305~1308


被引情况:


【1】郭亮,李雪莲,金献忠, "激光剥蚀采样-电感耦合等离子体质谱法定性分析金属镀层",理化检验-化学分册 52, 151-154(2016)



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参考文献
【1】BEATRIZ F, FANNY C, CHRISTOPHE P, et al. Direct analysis of solid samples by fs-LA-ICP-MS[J]. Trends in Analytical Chemistry, 2007,26(10):951-966.
 
【2】RUSSO R E, MAO Xiang-lei, LIU Hai-chen, et al. Laser ablation in analytical chemistry-a review[J]. Talanta, 2002,57:425-451.
 
【3】ALEH, VTZSLAV O, KAREL N, et al. Feasibility of depth profiling of Zn-based coatings by laser ablation inductively coupled plasma optical emission and mass spectrometry using infrared Nd:YAG and ArF lasers[J]. Spectrochimica Acta Part B: Atomic Spectroscopy, 2005,60(3):307-318.
 
【4】VASANTGADKAR N A, BHANDARKAR U V, JOSHI S S, et al. A finite element model to predict the ablation depth in pulsed laser ablation[J]. Thin Solid Films, 2010,519(4):1421-1430.
 
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