Patents Assigned to BODYCOTE VÄRMEBEHANDLING AB
  • Solid lubricant-coated steel articles, method and apparatus for manufacturing thereof and quenching oil used in the manufacturing
    Patent number: 10704111
    Abstract: A method for manufacturing of steel articles comprises nitriding (210) a steel article at a nitrification temperature in the interval 350-650° C., giving a nitrided steel article. The nitrided steel article is quenched (220) in a reactive quenching oil from the nitrification temperature. The reactive quenching oil comprises at least one of S, P, B, Mo and W. Thereby, the quenching additionally comprises coating (222) of the nitrided steel article by a solid lubricant comprising at least one of S, P, B, Mo and W. An apparatus for manufacturing of steel articles, a quenching oil and a steel article produced by the method are also disclosed.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: July 7, 2020
    Assignees: APPLIED NANO SURFACES SWEDEN AB, BODYCOTE VÄRMEBEHANDLING AB
    Inventors: Mikael Berg, Mikael Fällström, Boris Zhmud
  • SOLID LUBRICANT-COATED STEEL ARTICLES, METHOD AND APPARATUS FOR MANUFACTURING THEREOF AND QUENCHING OIL USED IN THE MANUFACTURING
    Publication number: 20190153556
    Abstract: A method for manufacturing of steel articles comprises nitriding (210) a steel article at a nitrification temperature in the interval 350-650° C., giving a nitrided steel article. The nitrided steel article is quenched (220) in a reactive quenching oil from the nitrification temperature. The reactive quenching oil comprises at least one of S, P, B, Mo and W. Thereby, the quenching additionally comprises coating (222) of the nitrided steel article by a solid lubricant comprising at least one of S, P, B, Mo and W. An apparatus for manufacturing of steel articles, a quenching oil and a steel article produced by the method are also disclosed.
    Type: Application
    Filed: October 25, 2016
    Publication date: May 23, 2019
    Applicants: APPLIED NANO SURFACES SWEDEN AB, BODYCOTE VÄRMEBEHANDLING AB
    Inventors: Mikael BERG, Mikael FÄLLSTRÖM, Boris ZHMUD