As one of the leading experts in Europe in the field of Rare-Earth permanet magnets I was invited by the European Commission to participate on a meeting organized by US, Europe and Japan to solve the problem of embargo from China who owns 95 % of world's resources. I presented an overview of the situation in Europe in the field of high energy permanent magnets for the application in wind turbines and electric vehicles and I actively participated in the round table discussion.
B.04 Guest lecture
COBISS.SI-ID: 24611879ROMEO aims to develop two new classes of permanent magnets, based on innovative grain boundary engineering; The materials, and the ideas behind them are the following: 1.High performance Nd2Fe14B -type material with zero or drastically-reduced heavy rare-earth content (Dy or Tb) - Demand for the highest performance magnets is set to triple in the next few years as electric vehicles and wind generators come on-line. - The critical elements are the heavy rare earths currently required to deliver the necessary high-temperature performance. - The aim of research is to largely eliminate them by sophisticated control of the grain boundaries. 2.Oriented dense magnets with properties intermediate between sintered ferrite and sintered Nd-Fe-B.
B.04 Guest lecture
COBISS.SI-ID: 25564967In a novel process to enhance the coercivity we have electrophoretically deposited DyF3 powder onto the surface of an as-sintered Nd-Fe-B magnet as the initial step in the grain-boundary diffusion process. The electrophoretic deposition (EPD) process is quick, easily controllable in terms of thickness and can be used to deposit the rare-earth fluoride powder on the surface of complex and irregularly shaped magnets. Since the amount of deposited powder can be tailored to maximise the coercivity while minimising the quantity of expensive heavy rare earth there is no wasted powder, making the process more environmentally friendly and potentially cheaper than conventional dipping.
B.03 Paper at an international scientific conference
COBISS.SI-ID: 25080615