Magnetics Business & Technology - July/August 2024 - 17

RESEARCH & DEVELOPMENT
HEFT project takes a comprehensive approach involving industry and research partners
recycling and circular economy for rare earth-based magnets. "
HEFT considers that an energy-efficient rare-earth synchronous
motor is the best option for next-generation high-power
primary axle traction EVs and proposes a set of innovation
challenges on electric synchronous motor configuration based
on SiC inverters (direct cooling of rotor and stator, advance
insulation for high voltage, multibarrier rotor topology, wave
windings) and advanced materials such as grain boundary
diffusion (GBD) magnets, epoxy for magnet fixation, composite
for motor housing and insulation resin.
The work will be validated against two motor topologies.
Compared to two main reference automotive IPM commercial
motors in Europe, the VW ID.3 and FIAT500, objectives for
the project motor are to achieve >800V, 20% reduction losses,
>7 KW/kg and 42kW/l power density, 28% cheaper, 50-66%
material savings, including 60% reduction of REE content and
>80% REE recyclability rate.
As this solution is still dependent on REE from China, HEFT
is aligning with the European Raw Materials Alliance (ERMA)
action plan towards a circular economy market of rare earth
permanent magnets and suggests one circular economy-based
alternative magnet route and two REE recycled routes together
with policies promotion towards the foundation of a European
rare earths industry, capable of delivering 20% of EU demand
by 2030.
Eight work projects are planned to implement the concepts
where five research partners are tasked with developing innovative
ideas around the design-to-x approach, while the three
companies assure the results have a clear market orientation
and fulfill the industry needs. HEFT plans to organize OEM
workshops to ensure wide adoption of the solutions, also with
policymakers to promote regulations towards the EU circular
market that would help maintaining the leadership of EU companies,
while increasing their competitiveness and job opportunities
linked to the new circular business models.
Magnetic filament for 3D printing of bonded magnets
Separate from the HEFT project, Magneti Ljubljana recently
announced that it has developed its novel magnetic filament
and now has begun selling it. The filament can be used to
www.MagneticsMag.com
Examples of 3D printed
bonded magnets
produce bonded magnets
on conventional FDM/FFF
3D printers. It enables 3D
printing of bonded magnets
of complex shapes
with magnetic properties
comparable to the properties
of injection-molded
plastic magnets.
Filament from Magnetic Ljubljana
for 3d printing of bonded
magnets
The company displayed its products
at the SIA Powertrain Congress
for automobile engineers
held in June 2023 at Port-Marly,
France. A leading venue for the
automotive technology community
in Europe, this year's meeting
devoted considerable attention to
sustainability issues.
Opening panel session at the 2023 SIA Powertrain Congress in
France on the impact of environmental and regulation matters
on the development of mobility solutions included automotive
technology leaders Martin Kreuger, Senior Vice President of Bosch;
Lionel De Beauffort, CSS leader of Solvay; Jean Personnaz, Senior
Vice President for Powertrain with Stellantis; Michel Forissier,
Chief Engineering & Marketing Officer for Valeo; Gilles Moreau,
Chief Open Innovation & Sustainability Officer with Verkor; and
Stephen Marvin, PFA, moderator.
For more info, see www.heftproject.org, www.gknautomotive.
com, www.magneti.si, www.sia.fr.
July/August 2024 * Magnetics Business & Technology 17
http://www.gknautomotive.com http://www.heftproject.org http://www.gknautomotive.com http://www.magneti.si http://www.sia.fr http://www.MagneticsMag.com
Magnetics Business & Technology - July/August 2024

Table of Contents for the Digital Edition of Magnetics Business & Technology - July/August 2024
