Investigation of the Elemental Composition of Titanium Metal Waste by X-Ray Fluorescence Analysis

Proceedings of the Southwest State University. Series: Engineering and Technology Pub Date : 2024-04-10 DOI:10.21869/2223-1528-2024-14-1-8-18

E. Ageev, E. P. Novikov, V. О. Pereverzev, A. Ageeva

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Abstract

The purpose of this work was to study the elemental composition of titanium metal waste to be processed by the method of electroerosive dispersion into spherical powders suitable for additive manufacturing.Methods. When conducting experiments on X-ray fluorescence analysis of chemical composition, pieces of metal waste rods of a titanium alloy of an unknown brand were used. An X-ray fluorescence spectrometer Niton Goldd (USA) was used to determine the elemental composition and percentage of elements in the alloy under study. With this method, X-ray radiation is directed at the sample under study, the reflected wave spectrum is obtained and the characteristics of the spectrum of secondary fluorescent radiation of the sample are analyzed. In this case, electromagnetic waves form secondary X-ray radiation, i.e., characteristic lines that are characteristic of atoms of various elements and have their own individual characteristics. Thus, the elemental composition of the sample under study is determined, and the intensity of these lines shows the quantitative concentration of elements.Results. Using a portable Niton Goldd spectrometer, it was found that titanium metal waste corresponds to the grade of the OT4-0 alloy. The data obtained made it possible to identify samples of the studied metal waste to be processed by the method of electroerosive dispersion into spherical powders suitable for additive manufacturing. As a result of comparing the percentage of chemical elements of the studied metal waste and alloy OT4-0 according to GOST 19807-91, minor discrepancies were found due to the absence of elements such as O, Si, C, N and H. in metal waste. Apparently, this difference is related to their possible presence in small amounts up to 0.1% or complete absence.Conclusion. Renovation of metal waste, including titanium metal waste, will contribute to resource conservation, import substitution and ensuring the technological sovereignty of the Russian Federation.

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通过 X 射线荧光分析研究金属钛废料的元素组成

这项工作的目的是研究钛金属废料的元素组成，这些废料将通过电解分散法加工成适用于快速成型制造的球形粉末。在进行 X 射线荧光化学成分分析实验时，使用了未知品牌的钛合金金属废料棒。使用 X 射线荧光光谱仪 Niton Goldd（美国）来确定所研究合金中的元素成分和百分比。使用这种方法时，X 射线辐射会射向所研究的样品，获得反射波谱，并分析样品二次荧光辐射的光谱特征。在这种情况下，电磁波会形成二次 X 射线辐射，即各种元素原子的特征线，并具有各自的特征。因此，可以确定所研究样品的元素组成，这些线的强度显示了元素的定量浓度。使用便携式 Niton Goldd 光谱仪发现，金属钛废料符合 OT4-0 合金的等级。根据所获得的数据，可以确定所研究的金属废料样品，并通过电解分散法将其加工成适合快速成型制造的球形粉末。根据 GOST 19807-91 对所研究的金属废料和合金 OT4-0 的化学元素百分比进行比较后发现，由于金属废料中缺乏 O、Si、C、N 和 H 等元素，两者之间存在细微差别。显然，这种差异与这些元素可能少量存在（最多 0.1%）或完全不存在有关。金属废料（包括金属钛废料）的翻新将有助于节约资源、进口替代和确保俄罗斯联邦的技术主权。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of the Southwest State University. Series: Engineering and Technology

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