HAN Tao,GAO Song,ZHANG Yi-bo,TIAN Yue-ming,ZHANG Tao,ZHENG Song-bo.Investigation on the Relative Sensitivity Factor Correction Method of 14 Trace Elements in Powdered Superalloy by Glow Discharge Mass Spectrometry[J].Journal of Instrumental Analysis,2024,43(09):1356-1361.
HAN Tao,GAO Song,ZHANG Yi-bo,TIAN Yue-ming,ZHANG Tao,ZHENG Song-bo.Investigation on the Relative Sensitivity Factor Correction Method of 14 Trace Elements in Powdered Superalloy by Glow Discharge Mass Spectrometry[J].Journal of Instrumental Analysis,2024,43(09):1356-1361. DOI: 10.12452/j.fxcsxb.240628177.
Investigation on the Relative Sensitivity Factor Correction Method of 14 Trace Elements in Powdered Superalloy by Glow Discharge Mass Spectrometry
In this paper,the relative sensitivity factor(RSF) of 14 key trace elements with three different particle size ranges of FGH96 superalloy powder were systematically analyzed by glow discharge mass spectrometry(GDMS),and the asymmetric charge transfer(ACT) theory was applied to the RSF coefficient correction problem of Mg element in nickel-based superalloys for the first time. The experimental results show that the RSF coefficients of 13 trace elements such as B,P,and S are basically not affected by the particle size of powder samples,and their RSF can be corrected by bulk standard materials. Through the investigation of samples with different Mg content gradients,a new calibration scheme was proposed for the RSF coefficient of Mg element. Considering the ACT influence of matrix element Ni on Mg element,two sets of RSF coefficients should be established according to the actual Mg content and particle size range for correction when the accuracy requirement is high. This paper gives the reference values of two sets of RSF coefficients. The corresponding RSF reference values for samples with Mg content of 3 μg/g and average particle size of 200 mesh and samples with Mg content of 30-300 μg/g and average particle size of -80~+120 mesh are 1.16 and 0.41,respectively.
关键词
镍基粉末高温合金痕量元素相对灵敏度因子不对称电荷转移辉光放电质谱法粉末粒度
Keywords
nickle based superalloytrace elementsrelative sensitivity factorasymmetric charge transferglow discharge mass spectrometrypowder size range
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Determination of Oxygen and Nitrogen Elements in Nickel-based Superalloys by Glow Discharge Mass Spectrometry
Calibrated Relative Sensitivity Factors for Elemental Quantitative Analysis of Trace Rare Earth & Precious Metal Elements in Nickel Base Superalloy by Glow Discharge Mass Spectrometry with Fast-flow Ion Source
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