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Feasibility Study on Manufacturing Copper Windings by EBM
KTH, School of Industrial Engineering and Management (ITM), Production engineering.ORCID iD: 0009-0005-1601-8226
KTH, School of Industrial Engineering and Management (ITM), Production engineering.
KTH, School of Industrial Engineering and Management (ITM), Production engineering.
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Process.ORCID iD: 0000-0002-6339-4612
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2025 (English)In: CIRP Conference on Electro Physical and Chemical Engineering, ISEM 2025, Elsevier BV , 2025, p. 380-385Conference paper, Published paper (Refereed)
Abstract [en]

This study investigates the feasibility of using electron beam melting (EBM) to manufacture windings for electric motors from pure copper. A comprehensive parameter study is conducted to refine the process parameters which finally achieved over 99% of bulk density, 91.7±1.8 % of the electrical conductivity of standardized pure copper. Down-face sintering strategies are also employed to create sintered powder cake capable of supporting the overhangs. Additionally, the integration of cooling features into copper windings and the development of innovative continuous winding designs have been validated. This study demonstrates that EBM is a promising technique for manufacturing high-performance copper motor windings. Moreover, it effectively releases design limitations associated with copper motor windings, thereby enabling the integration of more advanced and functional design features.

Place, publisher, year, edition, pages
Elsevier BV , 2025. p. 380-385
Keywords [en]
Additive manufacturing, Electric motor windings, Electron beam melting, Feasibility Study, Parameter optimization, Pure copper
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-372339DOI: 10.1016/j.procir.2025.06.013Scopus ID: 2-s2.0-105017672207OAI: oai:DiVA.org:kth-372339DiVA, id: diva2:2012068
Conference
22nd CIRP Conference on Electro Physical and Chemical Engineering, ISEM 2025, Vancouver, Canada, June 1- 4, 2025
Note

QC 20251106

Available from: 2025-11-06 Created: 2025-11-06 Last updated: 2025-11-06Bibliographically approved

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Luo, BoWiele, MarilenaAbulawi, MuradHulme, ChristopherDadbakhsh, Sasan

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