Patents Assigned to Volkswagen Aktiengesellscshaft
  • Publication number: 20150294787
    Abstract: A method for producing a permanent magnet, comprising the steps: (a) providing a powder of a magnetic material, (b) coating the powder particles with a coating of a diamagnetic or paramagnetic coating material, (c) compressing the coated particles to form a pressed part, (d) heat treatment to sinter the coating material at a temperature less than a temperature suitable for sintering the magnetic material, while the coating material transfers to a matrix of a diamagnetic or paramagnetic material, which embeds the particles of the magnetic material, and (e) magnetizing the magnetizable material in an external magnetic field, wherein the steps (c), (d) and (e) are carried out in any order successively or at the same time in any desired combination.
    Type: Application
    Filed: October 24, 2013
    Publication date: October 15, 2015
    Applicant: Volkswagen Aktiengesellscshaft
    Inventor: Branislav Zlatkov