This year Laboratorio Elettrofisico is celebrating its 60th anniversary. As part of the celebration, Laboratorio Elettrofisico is sponsoring the two-day event “Magnetic Materials and Applications” in partnership with the UK Magnetics Society.
The two days of technical seminars on magnetic materials and their applications will be held September 18 and 19, 2019 at an exclusive historical location just outside of Milan. Participants must register for the event, which includes seminar attendance, a visit to Laboratorio Elettrofisico’s facility, and the gala dinner which Laboratorio Elettrofisico will host as a way to share this important moment with attendees of the event.

The video of the event is available on Laboratorio Elettrofisico YouTube Channel –>

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VENUE

The event will be held in Parabiago (Milan) at the Villa Ida Lampugnani, an historic residence of great refinement, surrounded by a centuries-old park. The building preserves intact historic architecture, decorations and furnishings which make it one of the most authentic Liberty villas in Italy. Its singular and evocative setting makes it an exclusive location for events.

OTHER TECHNICAL SPEECHES

José Manuel Barandiarán, BCMaterials
NOVel, critical materials free, high Anisotropy phases for permanent MAGnets, by design

Heike Herper, Uppsala University
Theoretical characterization of new phases for permanent magnets

Thomas Schrefl, Danube University Krems
Modelling of microstructure for optimum hard magnetic properties

Dimitris Niarchos, National Center of Scientific Research “Demokritos”
Experimental screening of theoretically predicted phases

Bahar Fayyazi,Technische Universität Darmstadt
Fabrication of New Phases with High Coercivity

Jürgen Gassmann, Fraunhofer Research Institution Materials Recycling and Resource
Strategies IWKSSecuring the Supply Chain of Rare-Earth Elements for Nd-Fe-B Type Magnets

Patrick Aeschlimann, BOMATEC GmbH & Co
Eddy Current Losses in Sintered NdfeB Magnets

Philipp Bucher, LCD LaserCut AG
Technology Trends in Prototype Production of Stator and Rotor Stacks

Rupert Cruise, Magway
A UK Magnetics Society Success Story

Chris Riley, Bunting Magnetics Europe
Post Assembly of Halbach PM Rotor

Alessandro Tassi, Spin Applicazioni Magnetiche
Computer simulation techniques: evolution and perspectives

Christoph Brombacher, Vacuumschmelze GmbH & Co KG
Raw Material Efficient Production Techniques

Martin Krengel, WILO SE
Alternative magnet production way by hot pressing – a pump manufacturer becomes a magnet producer

Lydia Pickering, University of Birmingham
Extraction and Recycling of Rare Earth Magnets: Magnetic Materials Group Pilot Plant Development

Mark Senti, AML
PM-Wire: A New Permanent Magnet (PM) Technology

Badrinath Veluri, GRUNDFOS A/S
Rare Earth Permanent Magnets: A journey towards sustainability

Milan city tour
(Extended Network Session)

EXPERIENCE MILAN LIFESTYLE: WALKING TOUR AND APERITIVO WITH LOCALS!

19th September | 18:00 – 22:30     

Guided walking tour for the main spots of the city center. Main sights: Castello Sforzesco, via Dante, Piazza Affari, Piazza dei Mercanti, Roman ruins (Imperial Palace of Via Brisa), Cordusio, Duomo cathedral, Galleria Vittorio Emanuele, La Scala Opera house (externally) and also some hidden gems with funny facts and stories. Then a ride on the Tram to the south of the city to the beautiful Navigli District (canals). Typical aperitivo on the Navigli. The perfect place for a Milanese aperitivo (drink + shared plates of high quality Italian food) in a beautiful location. Transfer to/from Milan.

OPTIONAL TOUR » ASK FOR MORE DETAILS

TECHNICAL SPEECHES
Laboratorio Elettrofisico

PM ROTORS IN-SITU MAGNETIZATION FOR POWERTRAIN MOTORS

Federico Russo, Magnetic Design Team | 18th September

Abstract

PM Brushless motors are the first choice for electric and hybrid vehicles. One part of the motor is the inductor, which provides the magnetic field by means of series of permanent magnets. Until a couple of years ago, motor producers used to magnetize the magnets before their insertion in the rotor. Heavy industrial duty cycle, troubles in handling pre-magnetized magnets, and the effect of hot glue on pre-magnetized magnets quality all made it necessary to magnetize the entire rotors after assembly. It is known as in-situ magnetization. It comprises the magnetization, quality control, and handling automation. Here, the most recent development on EV PM rotors magnetization is described, with focus on design, development, MP equipment, and related automation systems production.

PM MAGNETIZATION MODEL FOR MIXED ANISOTROPIC AND ISOTROPIC MAGNETS

Govind Bisht, Magnetic Design Team | 18th September

Abstract

Widely used permanent magnets are alloys made from powdered ferrite oxides or rare earth compounds. Powdered grains are milled at the desired grade, then pressed and sintered or mixed with plastic and injected. During pressing or injection, often, a strong magnetic field keeps the grains oriented to obtain anisotropic magnets. This process is not ideal: therefore, anisotropic magnets have certain percentage of isotropy associated with them. The presence of isotropy in an anisotropic magnet for what concerns the magnetization process has been described here. In addition, the modelling of such supposedly anisotropic magnet having certain isotropy level using FEA; the definition and measurement of isotropy present; along with different magnetization approaches according to the effect this isotropy ratio would have in the final application is presented here.

SHIELDING EFFECTS DURING PERMANENT MAGNETS MAGNETIZATION PROCESS 

Matteo Pistaffa, Magnetic Design Team | 19th September

Abstract

The magnetic shielding is the reduction of the magnetic field by means of a material, namely a shield. Different mechanisms are responsible for the rise of this effect, as the field can be reflected or driven through the shield, according to the frequency of the magnetic field itself. The “skin depth” of the field through the shield is the key parameter controlling the phenomenon. It depends on the frequency of the magnetic field and on the resistivity and the magnetic permeability of the material of the shield. A conscious choice of these properties allows us to exploit the effect in many applications. This work, in particular, analyzed the use of the effect to shield magnetizing inductors and, sometimes, to improve their efficiency. Then, some examples are presented, which are related to the magnetization of loudspeakers and DC motor housings, in which the permanent magnets are behind bodies that shield the magnetizing field – thus, strategies are needed to let the magnetizing field penetrate such shields.

LABORATORIO ELETTROFISICO’S 60 YEARS’ EXPERIENCE IN MAGNETIC MEASUREMENTS 

Andrea Del Prete, VP of Magnetics Technology

Abstract

The 60 years of Laboratorio Elettrofisico’s activities in the magnetic technology give rise to the occasion to see how magnetic measurements, standards and instrumentation followed the evolution of the materials and necessities of the industry. The wide variety of magnetic materials and their different uses demand measuring techniques to provide information that is fundamental from the beginning of the project of a magnetic device to its quality control in production. The measurement principles and modern standard techniques to measure magnetic materials are described from the point of view of the instrumentation developed by Laboratorio Elettrofisico, from the past to the present day.

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