Application of electron beam melting method for recycling of tantalum scrap

The paper presents a study on the refining efficiency of tantalum scrap when applying the electron beam melting method to recycle tantalum material. Thermodynamic analysis and experimental tests were carried out at different technological regimes to determine the optimal conditions for obtaining tan...

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Bibliographic Details
Published in:Materials research express 2024-10, Vol.11 (10), p.106505
Main Authors: Vutova, Katia, Stefanova, Vladislava, Iliev, Peter
Format: Article
Language:English
Subjects:
degree of removal
Electron beam melting
electron beam melting and refining
Iron
Purity
recycling
Refining
Scrap
Tantalum
tantalum scrap
Thermodynamics
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Summary:The paper presents a study on the refining efficiency of tantalum scrap when applying the electron beam melting method to recycle tantalum material. Thermodynamic analysis and experimental tests were carried out at different technological regimes to determine the optimal conditions for obtaining tantalum with high purity. The behavior of the controlled impurities (W, Nb, Mn, Ce, Cr, Mo, Al, Fe, etc) and the influence of the thermodynamic and kinetic technological parameters (temperature, melting time) on the refining efficiency of the studied material were investigated. At a temperature of 3700 K and a melting time of 10 min, the highest overall degree of refinement of 98.82% and the highest tantalum purity of 99.987% were achieved.
ISSN:2053-1591
2053-1591
DOI:10.1088/2053-1591/ad7fbb