30th Ewing Event: Magnetics Past, Present and Future


Nov 30th 2016 - Nov 30th 2016

London, UK

Updated 29/11/16

This event will consist of a full day seminar, followed by an  evening consisting of a reception, awards ceremony, the Ewing Lecture and an informal dinner.

Talks will be given on various aspects of magnetics, looking back over the last 30 years and into possible future developments. The Ewing Lecture will be given by Prof Stephen Blundell, of the Clarendon Laboratory, University of Oxford.

The venue, the Royal Institution of Great Britain, has a long and distinguished history in science and engineering, and  there will be unscheduled access to the Ri’s museum throughout the day. The museum includes Michael Faraday’s actual laboratory where he made his fundamental discoveries of the magneto-optical effect and of diamagnetism.

The reception will be held in the King’s Head pub, on the block before the Ri.


Neodymium Level


Samarium Level

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Ferrite Level

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Ceramic Level


Reception sponsored by



Getting to The Royal Institution of Great Britain

The Royal Institution of Great Britain
21 Albemarle Street
+44 (0)20 7409 2992

The Royal Institution of Great Britain is in the heart of Mayfair, London, so the best way to travel is by the underground (tube). The nearest station is Green Park on the Jubilee, Victoria and Piccadilly lines, and the RI is about 5 minutes walk from there.

It’s central London, so parking is practically non-existent, and what there is is expensive. You may also incur the Congestion Charge.

More details on travelling to the Ri can be found here.


Due to the time of the year, we are unable to secure discounted bookings at any of the London hotels. Instead, here are some of the options available, with Tube travel times to the venue:

Lower end of the price scale

Comfort Inn Westminster – 30 minutes on the Tube

Premier Inn London Waterloo – 30 minutes on the Tube

The Sanctuary House Hotel – 17 minutes on the Tube

Travelodge London Central Southwark – 30 minutes on the Tube

Premier Inn London County Hall – 30 minutes on the Tube

Higher end of the price scale 

Hilton Green Park – 17 minutes on the Tube

Millennium Hotel London Mayfair  – 17 minutes on the Tube

Radisson Blu Edwardian Sussex – 16 minutes on the Tube

DoubleTree by Hilton Hotel London – Marble Arch 15 minutes on the Tube

If you would like a wider choice, use this link to see a guide to hotels in the vicinity of the Royal Institution:



The dress code for the day and the evening is business attire / smart casual.


The Ewing Lecture: Magnetism from the Inside Out
by Prof Stephen Blundell of Clarendon Laboratory, University of Oxford

In his 1891 book Magnetic induction in iron and other metals, J.A. Ewing wrestled with the problem of understanding magnetic properties from the outside, understanding the measurements obtained using bulk macroscopic probes and wrestling with what was going on at the level of what he called “the individual molecules”. I will talk about a microscopic method, developed since Ewing’s time, which is called muon-spin rotation. This uses beams of radioactive particles (muons) implanted in materials to reveal information about magnetism (and also superconductivity) from the inside. I will show that it can be very useful for understanding magnetic materials well outside the narrow class known about in Ewing’s day, including molecular magnets and systems with unusual frozen order.

You must be a member to download papers. Membership Information...

‘Superconducting Magnets: the last 30 years – and the next’.
by Dr Martin Wilson of

Exactly 30 years ago the world of superconductivity was galvanized by the discovery of high temperature superconductors, HTS. Although much progress has been made on these materials in the ensuing 30 years, they have yet to make a substantial impact on magnets. After a brief outline of the new materials, my talk will describe three major application areas for superconducting magnets: MRI, Particle Accelerators and Fusion. Much progress has been made in these areas, but using only using the older low temperature materials. For the future, it is hoped that HTS will drive significant developments in all three areas

You must be a member to download papers. Membership Information...

History of the UK Magnetics Society
by Prof Rex Harris of University of Birmingham

Computer Aided Design, Simulation and Engineering
by Dr John Simkin of Cobham Technical Services

A review of major milestones in the development of computer simulation methods for electromagnetic fields. Followed by a subjective view of what can now be achieved, what is required and the future possibilities.

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Magnetic Materials for Power Generation Machines
by Dr Peter Tavner of Durham University

This talk will summarise the changes that are currently taking place in power generation machinery as result of the de-carbonisation of the Grid and the application of new electrical and magnetic materials. It will concentrate especially on consideration of: • very slow speed machines, such as those applied in the wind and tidal industries; • very high speed machines, such as are envisaged for large turbine driven generators.

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Bulk Soft Magnetic Materials: Recent History, Current Status and Future Trends
by Prof Tony Moses of Cardiff University

The talk briefly reviews the properties of common families of commercial soft magnetic materials. It then focuses on electrical steels firstly discussing its role increasingly contribution to global waste energy and its development. Long standing deficiencies in the analysis of losses in soft magnetic materials is highlighted together with the growing importance of taking full account of microstructure and texture. Energy saving opportunities by high frequency operation of power magnetic cores is suggested before ending by reviewing possible future trends and opportunities

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Magnetocaloric Cooling
by Prof Lesley Cohen of Blackett Laboratory, Imperial College

In this talk I will review the progress towards solid state magnetic cooling using the magnetocaloric effect. The future of the magnetic refrigeration relies heavily on the availability of high-performance magnetocaloric materials. This drive toward improved performance necessitates the use of materials with a first order transition, but comes at some cost, as first-order materials have complex behavior in magnetic fields. Associated hysteresis in the transition leads to energy losses when cycling and is one of the most pressing issues regarding the development of the magnetic cooling. I will discuss our work in this area and the remaining bottlenecks that need to be resolved before widespread commercialisation.

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Measurement and Sensors
by Dr Dragana Popovic Renella of SENIS AG

According to several market studies, the global magnetic sensors market is expected to reach about USD 4 billion by 2022, more than doubling its size since 2012. It is driven by technological advancements and an increased awareness regarding vehicle safety in the automotive industry as well as escalating demand for navigation enabled smartphones and wearable devices. However, 30 years ago magnetic sensors were considered outdated. But then, the revolutionary discoveries came... In this presentation I will give an overview of the magnetic sensor technologies, compare the sensors used for industrial applications, show some measurement applications, briefly introduce future European R&D projects, and give an outlook for the future.

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Metallic Permanent Magnets over the last 30 Years
by Dr Boris Saje of Kolektor Magnet Technology GmbH

This talk looks at the the last 30 years in metallic permanent magnets but then looks forward a little bit. It includes Sm2Co17, NdFeB and Sm2Fe17N3 from the past and a bit about the new materials, technologies and recycling in the future.

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Prediction of Electromagnetic Losses in Machines - 30 Years of Progress
by Prof Geraint Jewell of University of Sheffield

The accurate prediction of electromagnetic losses in electrical machines has always featured prominently in their design, never more so than at present with the inexorable demands for increased power densities and / or efficiencies. The demands to push power densities up into the many tens of kW / kg for the most demanding of applications come against a backdrop of only marginal, but hard won, improvements in key magnetic material properties. In-depth and precise modelling of material behaviour for the full range of conditions encountered in service is a key underpinning element of the design of future machines, particularly to drive down the contingency and de-rating which has often the filled the knowledge gap on factors such as high frequency switching effects, ageing (particularly at elevated temperatures), manufacturing effects such as stress, non-standard excitation conditions and the uncertainties and tolerances of heat transfer. This presentation will focus on two areas, viz. cores losses in soft magnetic materials (including at elevated temperatures) and induced eddy current losses in permanent magnet materials. It will draw on numerous examples from the activities of the Electrical Machines and Drives Group in Sheffield, to illustrate including bespoke material characterisation.


TimeSession TitleSession Host
09:00Registration Opens
10:00Magnetocaloric CoolingProf Lesley Cohen
10:30Bulk Soft Magnetic Materials: Recent History, Current Status and Future TrendsProf Tony Moses
11:30Superconducting Magnets: the Last 30 Years – and the NextDr Martin Wilson
12:00Computer Aided Design, Simulation and EngineeringDr John Simkin
13:30Measurement and SensorsDr Dragana Popovic Renella
14:00Magnetic Materials for Power Generation MachinesDr Peter Tavner
15:00Metallic Permanent Magnets over the Last 30 YearsDr Boris Saje
15:30Prediction of Electromagnetic Losses in Machines - 30 Years of ProgressProf Geraint Jewell
16:00Closing Remarks
16:30Reception in the King's Head Pub
18:25Awards in the RiDr Allan Walton
18:30History of The UK Magnetics SocietyProf Rex Harris
19:00The Ewing Lecture: Magnetism from the Inside OutProf Stephen Blundell
20:00Informal Dinner
22:30Close of Evening


Type Standard Fee Group Discount
(3+ delegates)
Table of 4 for Ewing Event £595.00 N/A
Table of 8 for Ewing Event £995.00 N/A
Member, Ewing Day Seminar £140.00 N/A
Member, Ewing Lecture & Dinner £50.00 N/A
Member, Ewing Event £155.00 N/A
Non-Member, Ewing Day Seminar £170.00 N/A
Non-Member, Ewing Lecture & Dinner £70.00 N/A
Non-Member, Ewing Event £195.00 N/A
Student, Ewing Day Seminar £50.00 N/A
Student, Ewing Lecture & Dinner £35.00 N/A
Student, Ewing Event £70.00 N/A
Sponsorship packages, including exhibiting, are available; please contact astewart@ukmagsoc.org for more information. N/A
Register to attend this event