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A Comprehensive Review of Additive Manufacturing in Construction of Electrical Machines

Lookup NU author(s): Dr Rafal Wrobel, Professor Barrie Mecrow



This is the authors' accepted manuscript of an article that has been published in its final definitive form by IEEE, 2020.

For re-use rights please refer to the publisher's terms and conditions.


Additive manufacturing (AM) has been undergoing dynamic development in recent years. The latest evolution of AM has been recognised as a key enabling technology in a wide range of applications, some of which include medical, aerospace and automotive industries. The use of AM opens new avenues for design solutions, otherwise challenging orimpossible to realise when using more conventional techniques for manufacture. No- or low-material waste and high-flexibility are some of the attributes of modern AM. This expanded paper aims to provide an up to date overview of the existing examples of employing AM in construction of electrical machines. The paper reviews research and development work related to all integral components of an electrical machine assembly. These include active parts like coils/windings, electrical insulation, stator/rotor magnetic core packs, permanent magnets (PMs). The machine structural/mechanical and thermal management components are also discussed in the paper. Further to these, the authors make some comments/forecasts on how the AM could improve performance and manufacturability of the futureelectrical machines.

Publication metadata

Author(s): Wrobel R, Mecrow B

Publication type: Article

Publication status: Published

Journal: IEEE Transactions on Energy Conversion

Year: 2020

Volume: 35

Issue: 2

Pages: 1054-1064

Print publication date: 01/06/2020

Online publication date: 08/01/2020

Acceptance date: 29/12/2019

Date deposited: 11/01/2020

ISSN (print): 0885-8969

ISSN (electronic): 1558-0059

Publisher: IEEE


DOI: 10.1109/TEC.2020.2964942


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Funder referenceFunder name
The authors wish to thank Advanced Propulsion Centre (APC) UK for supporting this research.