Under CopyrightErdmann, LorenzLorenzErdmannBette, KristinaKristinaBetteMerino, José M.José M.MerinoVelte, DanielaDanielaVelte2022-03-0710.12.20152015https://publica.fraunhofer.de/handle/publica/29753310.24406/publica-fhg-297533en303600Roadmap for the substitution of critical raw materials in electric motors and drivesreport