The influence of recycling metal powder in the gas atomization process on the produced powder's chemical composition.
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| Title: | The influence of recycling metal powder in the gas atomization process on the produced powder's chemical composition. |
|---|---|
| Authors: | Kazi, Sofia1 (AUTHOR), Haglund, Teodor2 (AUTHOR) teodor.haglund@ssab.com, Bengtsson, Björn-Olof3 (AUTHOR), Hryha, Eduard1 (AUTHOR) |
| Source: | Metallurgical Research & Technology. 2025, Vol. 122 Issue 6, p1-7. 7p. |
| Subjects: | Metal powders, Atomization, Sustainability, Elemental analysis, Chemical structure, Manufacturing processes, Svenskt Stål AB, Waste recycling |
| Abstract: | In powder based additive manufacturing (AM), precise control of the chemical composition is necessary to achieve optimal properties in manufactured components. At SSAB, low alloyed steel powder for additive manufacturing is produced using gas atomization. However, the particle size distribution from the atomization process contains a size fraction coarser than typically used for AM processes. To increase sustainability and economic feasibility, it is important to reuse this fraction as input material in subsequent melts. To determine the influence of the amount of powder added, and the number of remelts, the chemical composition of the produced powder was traced using elemental analysis (LECO) and Optical Emission Spectroscopy (OES). Over 40 batches were analysed, with powder additions ranging from 0 to 30%. The study found a systematic loss of silicon and an increase in nitrogen, whereas oxygen and carbon were relatively stable. It was shown that by proper adjustment of process parameters, the variation in alloying elements can be minimized, even with large additions of powder. The flowability of the atomized powders was assessed with minimal differences between melts. [ABSTRACT FROM AUTHOR] |
| Copyright of Metallurgical Research & Technology is the property of EDP Sciences and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
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| Header | DbId: egs DbLabel: Engineering Source An: 190822207 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: The influence of recycling metal powder in the gas atomization process on the produced powder's chemical composition. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Kazi%2C+Sofia%22">Kazi, Sofia</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Haglund%2C+Teodor%22">Haglund, Teodor</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> teodor.haglund@ssab.com</i><br /><searchLink fieldCode="AR" term="%22Bengtsson%2C+Björn-Olof%22">Bengtsson, Björn-Olof</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hryha%2C+Eduard%22">Hryha, Eduard</searchLink><relatesTo>1</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Metallurgical+Research+%26+Technology%22">Metallurgical Research & Technology</searchLink>. 2025, Vol. 122 Issue 6, p1-7. 7p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Metal+powders%22">Metal powders</searchLink><br /><searchLink fieldCode="DE" term="%22Atomization%22">Atomization</searchLink><br /><searchLink fieldCode="DE" term="%22Sustainability%22">Sustainability</searchLink><br /><searchLink fieldCode="DE" term="%22Elemental+analysis%22">Elemental analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+structure%22">Chemical structure</searchLink><br /><searchLink fieldCode="DE" term="%22Manufacturing+processes%22">Manufacturing processes</searchLink><br /><searchLink fieldCode="DE" term="%22Svenskt+Stål+AB%22">Svenskt Stål AB</searchLink><br /><searchLink fieldCode="DE" term="%22Waste+recycling%22">Waste recycling</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: In powder based additive manufacturing (AM), precise control of the chemical composition is necessary to achieve optimal properties in manufactured components. At SSAB, low alloyed steel powder for additive manufacturing is produced using gas atomization. However, the particle size distribution from the atomization process contains a size fraction coarser than typically used for AM processes. To increase sustainability and economic feasibility, it is important to reuse this fraction as input material in subsequent melts. To determine the influence of the amount of powder added, and the number of remelts, the chemical composition of the produced powder was traced using elemental analysis (LECO) and Optical Emission Spectroscopy (OES). Over 40 batches were analysed, with powder additions ranging from 0 to 30%. The study found a systematic loss of silicon and an increase in nitrogen, whereas oxygen and carbon were relatively stable. It was shown that by proper adjustment of process parameters, the variation in alloying elements can be minimized, even with large additions of powder. The flowability of the atomized powders was assessed with minimal differences between melts. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Metallurgical Research & Technology is the property of EDP Sciences and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1051/metal/2025082 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 7 StartPage: 1 Subjects: – SubjectFull: Metal powders Type: general – SubjectFull: Atomization Type: general – SubjectFull: Sustainability Type: general – SubjectFull: Elemental analysis Type: general – SubjectFull: Chemical structure Type: general – SubjectFull: Manufacturing processes Type: general – SubjectFull: Svenskt Stål AB Type: general – SubjectFull: Waste recycling Type: general Titles: – TitleFull: The influence of recycling metal powder in the gas atomization process on the produced powder's chemical composition. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Kazi, Sofia – PersonEntity: Name: NameFull: Haglund, Teodor – PersonEntity: Name: NameFull: Bengtsson, Björn-Olof – PersonEntity: Name: NameFull: Hryha, Eduard IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 11 Text: 2025 Type: published Y: 2025 Identifiers: – Type: issn-print Value: 22713646 Numbering: – Type: volume Value: 122 – Type: issue Value: 6 Titles: – TitleFull: Metallurgical Research & Technology Type: main |
| ResultId | 1 |
