International Electric Steel Sheet Summit: E-Mobility in Focus

Ahmed Abdallh received the Master of Science degree in electrical engineering from Cairo University, Egypt in 2006, and the Ph.D. degree in electromechanical engineering from Ghent University, Belgium, in 2012.

He started his career as a postdoctoral researcher at Ghent University till 2015. Then, he was working at Flanders Make research centre for the manufacturing industry, from 2015 to 2019, where he focused on the electrification of vehicle and industrial drivetrains.

Since mid-2019, he has joined ArcelorMittal global R&D in Gent as a research engineer where he is conducting research on electromagnetic applications of electrical steels in different domains.

Gowthaman Ayyappan working as deputy manager in Research and Development Department, JSW Steel Ltd, Bellary, Karnataka, India. He received the M.Tech (Steel Technology) degree in Metallurgical Engineering and Materials Science from the Indian Institute of Technology, Bombay in 2019. He is currently working in Cold rolled Non-oriented Electrical steel product development by the influence of chemical composition and processing parameters on microstructure, texture, and magnetic properties. He also works on advanced characterization techniques i.e XRD EBSD to understand the structure, properties, and performance of high-strength steels.

Hamed H Bahmani is an Assistant Professor in Electrical Engineering at Durham University. He received the BEng (Hons) in electrical engineering in 2005, MSc (Hons) in electrical engineering in 2007, and PhD degree in electrical engineering from Cardiff University, UK in 2014. His research interest is focussed magnetic materials and manufacturing processes of magnetic devices. He has authored more than 30 papers in peer reviewed journals and conferences, and a written textbook on “Electric Circuit Theory”. Hamed is a Chartered Engineer with thee IET, Senior member of IEEE, and Fellow of the Higher Education Academy in the UK.

Born Feb. 1960 in Berlin
Graduated Physicist (diploma 1987 Münster)
PhD in metal science (1990 RWTH Aachen, Prof. Lücke)
26 years at ThyssenKrupp (electrical steel) in different positions in turn: R&D, Production of Grain Oriented electrical steel, Quality Control, Interlectual Property
Since 2014 Senior Project Manager for global technical consulting electrical steel at SMS-group.

Company : C.D. Wälzholz GmbH & Co. KG
Current Position : Senior Expert Material Technology;
30 years experience with Electrical Steel sheets
Previous Positions: Director Quality & Environmental Management

Tony Chauvet graduated as mechanical engineer. He has 31 years of experience in the automotive industry. 

For 11 years he specialised in plastic injection and extrusion.

He next picked-up the challenge of magnetic circuit manufacturing, with now 20 years of experience in the cutting and assembly of magnetic circuits.  Within the RBourgeois Group, he is the Director of Operations and thus accompanied the transition to electrified vehicles, regarding its core component: the electric machine stack.

Since 2018 Scientific staff in IEHK, Aachen. Working on electrical steel sheet, especially designing new High Si-alloys, influencing the microstructure and optimizing the production process to lower the core losses and to improve the polarization and texture. This is done in cooperation with an industry partner.

B.E. in Metallurgical Engineering and M.Sc in Physical Metallurgy (Study of magnetic ageing in electrical steels). Senior Research Engineer at Aperam South America, working with electrical steels since 2010. Strong background in mechanical metallurgy, magnetism, numerical simulations and is an e-mobility enthusiast. Recent activities have involved lab simulations (hot rolling, hot band annealing, cold rolling, final annealing), characterization (mechanical, magnetic and microstructural) and numerical simulations (thermodynamics, mechanical and electromagnetic). Currently is responsible for the development of non-grain oriented electrical steels for the e-mobility market.

• Dipl.-Ing. Mechanical Engineering
• employed by CDW since 2005
• Position: Head of Department "Electrical Steel Materials Technology"
• Areas of responsibility: Quality assurance, materials development, customer consulting

• ZVEI: Co-Vorsitzende Technischen Kommission und Beiratsmitglied des Fachverbands EWIS
• WICKEDER GROUP: Leiterin Business Development der Wickeder Westfalenstahl GmbH

Albin Gottwalt works as a research associate at the Technische Hochschule Ingolstadt. He specializes in material fatigue, tribology, and material analysis with a decade of experience in materials testing. After finishing an apprenticeship as a materials tester, he graduated from the Augsburg University of Applied Sciences with a Bachelor’s Degree in Mechanical Engineering. He continued a dual master’s program at the Technische Hochschule Ingolstadt in cooperation with the Audi AG. Albin Gottwalt enjoys working in the context of a sustainable future and mobility. His fascination for electric engines was sparked by his involvement in the Formula Student competition, where he designed an electric drivetrain transmission.

Since 2019

• PhD Student from the institute for general materials properties GMP
  at the Friedrich-Alexander University Erlangen-Nuremberg FAU

• Project in cooperation with AUDI AG

• PhD work focuses on the manufacturing influence on the magnetic properties
  of electrical steel with the aim of contributing to amore efficient
  electromagnetic machine design

• Research questions: Where do magnetic deterioration come from?
  What is the micromagnetic background? How to avoid/rehabilitate?

2012-2019

• Studying ’materials science and engineering‘ at FAU

• Bachelor of Science in 2016; Master of Science in 2019

Sigrid Jacobs graduated in electro technical engineering at Ghent University in ’88 and obtained a business engineering degree at the Vlerick School for management in ’91.

After developing electrical steels at the metallurgy lab of Ghent University, she joined the ArcelorMittal group.

She first was involved in engineering projects for steel production. Then she continued the development of electrical steels in different plants from the group, in an international know-how exchange context.

Her Global R&D function includes co-engineering projects with electrical machine manufacturers. She has been the Portfolio Director for the group’s activities in Electrical Steels and is now Expert for Electrical Steels.

Scientific publications range from electrical steel general metallurgy, to texture developments, as well as application oriented work such as magnetic or mechanical machine design.

Sigrid is for TC 68 chairperson in the Belgian Electrotechnical Committee (IEC) and project leader in the international standardisation of magnetic materials and measurement techniques (for which she received the “1906 AWARD” in 2016).  At the European level, she is convenor of the CEN/TC 459/SC 8 “ECISS” for the standardisation of steel sheet and strip for electrical applications and a speaker in the VDA working group on electric and electronic materials.  She also is the Belgian head of delegation in the European hyperloop standardisation committee CEN/CENELEC JTC20.

Carina Kern works as a researcher at voestalpine in the welding and adhesive bonding group. She studied technical chemistry at Johannes Kepler University Linz and has been working in the frame of her master's thesis on the subject of bondability of electrical steel surfaces with Backlack in cooperation with voestalpine.

Her work is focused on industrial and applied research on adhesive bonding, mechanical testing and analytical characterization of electrical steel surfaces by spectroscopic techniques (AES, XPS) with emphasis on the understanding of interaction mechanisms between surface and adhesive. Currently, her research interest is mainly in the field of characterization of adhesively bonded electrical steel laminates.

Carina has been leading a working group of steel and adhesive manufacturers. The outcome was a standard for qualitative and quantitative evaluation of failure patterns of adhesively bonded joints in car body construction (DVS® 3302). In her function as DVS®/EWF European Adhesive Specialist (EAS), she contributed to DIN and VDEh-standards concerning structural adhesive bonding of metals for automotive industry. In 2013, she received the 'OÖ Forscherinnen-Award' for industrial research. Furthermore, she holds two patents for manufacturing of electrical steel laminates.

Education and Experience:

• Dipl. Ing (FH) Information and Communication Technology
• 18 years in measurement technology for industry focused on product development
• 14 years in a managing position
• 9 years in the topic coating thickness
• Since 2 years at EMG Automation GmbH
  Technical director business unit Metals, responsible for:
  • R&D
  • Project-, Mechanic- and Software Engineering
  • Technology Management and Innovation

Paul Kubaschinski works as a research associate and doctoral student at the Technische Hochschule Ingolstadt. His research activities include, among others, the analytical fatigue life assessment, low cycle fatigue of metals and applied finite-element analysis. After graduating with a bachelor’s degree in mechanical engineering from the University of Applied Sciences in Augsburg, he focused on a master program in automotive engineering at the Technische Hochschule Ingolstadt. During this time, he has already gained experience in linear-elastic and elastic-plastic finite-element simulations and the application of different fatigue life assessment approaches including studies on the fatigue life of electrical steel.

Nora Leuning received the M.Sc. degree in materials engineering from the RWTH Aachen University in July 2015 and the Dr.-Ing. degree from the Faculty of Electrical Engineering and Information Technology from the RWTH in July 2020. Since 2015 she is a research associate at the Institute of Electrical Machines (RWTH), where she is team leader of the group “Analysis and Modeling”. Her main research interests include studies of structural parameters and their resulting effect on magnetic behavior of electrical steel during production and processing, modeling of material behavior and incorporating effects of magnetic texture and anisotropy of NOs.

In 2011 Dr. Lomoschitz started as an R&D Chemist at Axalta Coating Systems in the field of electrical steel coatings. Through an intermediate time as application engineer, where he managed implementation of new products on customer lines, he took up his current role as Global Product Manager – Energy Solutions in 2017. He acts as an interface between customer, business and R&D for Axalta’s entire insulation portfolio including wire enamels, impregnating resins and electrical steel coatings. A key focus is to address novel challenges to R&D, lead innovation within his portfolio and make the resulting solutions available in Axalta plants in Europe, China and the Americas.

Education

• Cardiff University—Cardiff, United Kingdom
• PhD in Electromagnetic Engineering

Work Experience

• Dr. Brockhaus Messtechnik, Lüdenscheid, Germany 
  Development of measurement technologies for soft and hard magnetic materials
• Electronica Products Ltd, Cardiff, United Kingdom
  Electromagnetic and thermal design of electrical machines using numerical and analytical methods
• Wolfson Centre for Magnetics, Cardiff University, UK
  Development of magnetic sensors and methods for non-destructive evaluation of helicopter components and detection of rail defects

Selected presentations and publications

• “Influence of Manufacturing Processes on Magnetic Properties of Stator Cores”, International Conference on Electrical Machines, Gothenburg, Sweden, 2020.

• “Characterisation of magnetic materials and components used in automotive applications”, Motor and Drive Systems, Orlando, US, 2020.

• “In-line and off-line measurements of magnetic components for electric drive and automotive applications”, presented at the Coil Winding, Insulation and Electrical Manufacturing Exhibition (CWIEME), Berlin, Germany, 2019.

• “New measurement system for evaluation of eddy current loss in permanent magnets”, presented at 8th International Electric Drives Production Conference, Schweinfurt, Germany, 2018.

• “Advanced power loss characterisation of magnetic materials for automotive applications”, presented at the Coil Winding, Insulation and Electrical Manufacturing Exhibition (CWIEME), Berlin, Germany, 2018.

Torsten Mix studied physics at the TU Dresden with the specialisation on solid state physics and magnetism. After his diploma, which he produced at the Leibniz IFW Dresden he continued his research in a PhD work on rare earth free Mn-Al-Ga permanent magnets. With the focus on material scientific characterisation of the phase formations and the influences on the magnetic properties. After the PhD and an additional post doc position on this work he moved to the Fraunhofer IFAM in Dresden, working on soft magnetic materials for electric machine applications. Focusing on additive manufacturing and characterising soft magnetic materials.

Max Müller received a master‘s degree in material science in 2018 at RWTH Aachen University. Since then, he has been a doctoral candidate at the Metal Forming institute at RWTH Aachen University in the Strip Casting divison. Currently he is doing research as part of the DFG project "Thin Strip Casting of High-Silicon Electrical Steel". His research work focusses mainly on conducting casting trials of new high silicon alloys at the laboratory caster, but also on further processing of the cast sheets to fully finished electrical sheets.

Christian Reidler has been in charge of the Dr. Schenk GmbH Worldwide Metal Inspection Division since 2015. He holds degrees in Electrical & Computer Engineering and Business & Administration from the Technical University of Munich and Hagen University. Along with Christian Reidler’s previous professional experience as Sales & Application Engineer in the field of industrial surveying he has become a trusted expert for metal production lines and processes for customers around the world. 

Jan Rens graduated in electro-mechanical engineering at the University of Leuven in ’99 and obtained a PhD in 2003 from The University of Sheffield.

Later, he held various positions as an R&D engineer where he specialised in the design of high-torque, direct-drive permanent magnet motors, short-stroke linear actuators and magnetic gears.

Currently, he works at ArcelorMittal Global R&D Ghent, where he is Head of the magnetic laboratory.

Jan conducts research on advanced magnetic characterisation of magnetic materials, developing state of the art magnetic measurement systems. These studies link the magnetic properties of electrical steels under specific exploitation conditions, such as mechanical and thermal stress, to their microstructure.

His scientific publications include machine modelling for new topologies dedicated to new mobility solutions and renewable energy generation.  Such modelling uses core loss calculations methods suited for complex excitation exploitation conditions.

Marek Smaga is head of the research group “Metastability” at the Institute of Material Science and Engineering at the University of Kaiserslautern, Germany. His research focus on process-microstructure-mechanical and physical properties relationships of metastable and stable metallic material, fatigue in the whole fatigue regime from LCF to VHCF at low, room and high temperature as well as on magneto-mechanical interaction in engineering materials.

Andreas Thul received the Dipl.-Ing. degree in electrical engineering from RWTH Aachen University in 2013 and the Dr.-Ing. degree from the Faculty of Electrical Engineering and Information Technology at RWTH in August 2021. He has been working as a Research Associate with the Institute of Electrical Machines at RWTH Aachen University since October 2013. Since November 2021 he is Chief Engineer at the IEM. His research interests include control and modelling of electrical machines and measurement techniques for the characterization of soft magnetic materials.

Dr. Simone Weigelt studied materials science at RWTH Aachen University and did her PhD at the Forschungszentrum Jülich. Since June 2020 she is member of the Product Management team in the BU Metals at ISRA VISION Parsytec.

Hannes Alois Weiss is working on several topics dealing with the manufacturing of efficient electrical machines at the home of stator and rotor – Technologiepark Kaisermatt, Densbüren, Switzerland. He received his doctorate degree on research dealing with the same topic from the Technical University of Munich, Munich, Germany, in 2019, where he also received his M.Sc. degree in production engineering from.
At his current affiliation he is in charge for technological topics regarding electrical steel processing, research and development as well as for the strategic site development. He has been working for the automotive and steel industry in various projects.