Development of hard ferrite filled thermoplastic elastomers for the production of permanent magnets

Abstract In this work, strontium ferrite filled thermoplastic elastomers were developed. A thermoplastic co-polyester elastomer was used as the basis for the investigations. This polymer has good thermal and chemical resistance to oils and greases. Four strontium ferrite filled compounds with different filler contents between 80% and 87.5% of mass fraction were developed. The influence of the filler content on the mechanical and magnetic properties was analysed.