IMR OpenIR
Quantitative Determination of Low Contents of Manganese in Steels by EPMA
Wang, Daoling; Sun, Aiqin
2019-06-01
Source PublicationMICROSCOPY AND MICROANALYSIS
ISSN1431-9276
Volume25Issue:3Pages:625-629
AbstractThe fluorescence effect induced by K-beta photons is usually so small that it can be neglected. However, in the Fe-Mn system, omitting K-beta fluorescence correction will lead to the overestimation of the Mn content especially when Mn is the minor alloy element. In this study, the error in the Mn concentration induced by K-beta fluorescence was investigated by both Monte Carlo simulation, using the pyPENELOPE program, and systematic electron probe measurements on the Fe-0.53% Mn alloy standard by the aid of CalcZAF software. It is shown that the error caused by K-beta fluorescence exceeds 4% for the Fe-0.53% Mn alloy. The problem can be overcome by utilizing CalcZAF in which beta-line fluorescence has been included, or by employing a similar standard Fe-0.85% Mn for Mn in the absence of beta-line fluorescence correction. In addition, a modified calibration curve method, using k-values instead of X-ray intensity as a variable, is presented and used to measure the Mn concentration. The accuracy of this method is as good as or better than that of the conventional matrix correction method. Compared with conventional calibration curve methods, it is time-saving because the k-value is not sensitive to instrument fluctuations and the established curve remains valid for a long period.
Keywordelectron probe microanalysis fluorescence effect k-value Mn modified calibration curve method weighted least squares
Indexed BySCI
Language英语
WOS IDWOS:000474798800006
PublisherCAMBRIDGE UNIV PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81020
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Wang, Daoling,Sun, Aiqin. Quantitative Determination of Low Contents of Manganese in Steels by EPMA[J]. MICROSCOPY AND MICROANALYSIS,2019,25(3):625-629.
APA Wang, Daoling,&Sun, Aiqin.(2019).Quantitative Determination of Low Contents of Manganese in Steels by EPMA.MICROSCOPY AND MICROANALYSIS,25(3),625-629.
MLA Wang, Daoling,et al."Quantitative Determination of Low Contents of Manganese in Steels by EPMA".MICROSCOPY AND MICROANALYSIS 25.3(2019):625-629.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Wang, Daoling]'s Articles
[Sun, Aiqin]'s Articles
Baidu academic
Similar articles in Baidu academic
[Wang, Daoling]'s Articles
[Sun, Aiqin]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Wang, Daoling]'s Articles
[Sun, Aiqin]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.