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Small-invasive determination of iron content in coating of galvanized steel sheets by laser-induced breakdown spectroscopy
Sun LX(孙兰香)1,2; Wang, Wei-ye1,2,3; Guo MT(郭美亭)1,2; Tian, Xue-yong4; Zhang P(张鹏)1,2,5; Qi LF(齐立峰)1,2; Yu HB(于海斌)1,2; Zeng P(曾鹏)1,2
Department工业控制网络与系统研究室
Source PublicationJournal of Iron and Steel Research International
ISSN1006-706X
2019
Volume26Issue:10Pages:1137-1146
Indexed BySCI ; EI ; CSCD
EI Accession number20194307567329
WOS IDWOS:000491050700012
CSCD IDCSCD:6600883
Contribution Rank1
Funding OrganizationNational Key Research and Development Program of China (No. 2017YFF0106202) ; National Natural Science Foundation of China (No. 61473279) ; Shenyang Science and Technology Project (No. Z17-7-006) ; Key Research Program of Frontier Sciences, CAS (No. QYZDJ-SSW-JSC037) ; Youth Innovation Promotion Association, CAS (No. 2014179).
KeywordLaser-induced breakdown spectroscopy Galvanized steel sheet Quantitative analysis Small-invasive analysis Iron content
Abstract

A new method was presented to determine the iron content in the coating of galvanized steel sheet based on laser-induced breakdown spectroscopy. The zinc–iron coating was characterized with a series of single laser pulses irradiated on the traversing sheet steel, each on a different steel sheet position. The influences of laser fluence and elemental depth distribution were studied and analyzed. To protect the corrosion performance of the coating and meet requirements for small-invasive measurement, the ablation size of the crater under different laser fluences was studied. Under the optimized experimental parameters, the diameter of ablation craters is about 50 μm, and then, the Fe content in the coating was calibrated and analyzed by the linear standard calibration method. The calibration result, however, is not good. Considering that the Zn content in the coating was high and relatively constant, curve calibration was then carried out with the intensity ratio (IFe 404.58/ IZn 468.01) instead of the net line intensity of Fe, and then, the determination coefficient of calibration curve increases from 0.7713 to 0.9511, and the root-mean-square error decreases from 0.4832% to 0.1509%. The results prove that the laser-induced breakdown spectroscopy is an effective way for the analysis of the Fe content in the coating of galvanized steel sheet.

Language英语
WOS SubjectMetallurgy & Metallurgical Engineering
WOS KeywordDEPTH-PROFILE ANALYSIS ; QUANTITATIVE ELEMENTAL ANALYSIS ; INDUCED PLASMA ; ZINC ; LIBS ; FE ; BEHAVIOR ; SAMPLES ; ELECTRODEPOSITION ; SPECTROMETRY
WOS Research AreaMetallurgy & Metallurgical Engineering
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/25804
Collection工业控制网络与系统研究室
Corresponding AuthorSun LX(孙兰香)
Affiliation1.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, Liaoning 110016, China
2.Key Laboratory of Networked Control Systems, Chinese Academy of Sciences, Shenyang, Liaoning 110016, China
3.Northeastern University, Shenyang, Liaoning 110819, China
4.Central Research Institute, SIASUN Robot & Automation Co., Ltd., Shenyang, Liaoning 110168, China
5.University of the Chinese Academy of Sciences, Beijing 100049, China
Recommended Citation
GB/T 7714
Sun LX,Wang, Wei-ye,Guo MT,et al. Small-invasive determination of iron content in coating of galvanized steel sheets by laser-induced breakdown spectroscopy[J]. Journal of Iron and Steel Research International,2019,26(10):1137-1146.
APA Sun LX.,Wang, Wei-ye.,Guo MT.,Tian, Xue-yong.,Zhang P.,...&Zeng P.(2019).Small-invasive determination of iron content in coating of galvanized steel sheets by laser-induced breakdown spectroscopy.Journal of Iron and Steel Research International,26(10),1137-1146.
MLA Sun LX,et al."Small-invasive determination of iron content in coating of galvanized steel sheets by laser-induced breakdown spectroscopy".Journal of Iron and Steel Research International 26.10(2019):1137-1146.
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