公开(公告)号：US20220341011A1

公开(公告)日：2022-10-27

申请号：US17640393

申请日：2020-09-03

Applicant: BASF SE

Inventor： Rudolf SEILER ,  Cecile MUELLER-WEITZEL ,  Matthias WANGER ,  Rene ARBTER ,  Thorsten Martin STAUDT ,  Marie-Claire HERMANT

IPC: C22C38/44 ,  C22C33/04 ,  C22C33/00 ,  B22F9/08

Abstract: The present invention relates in a first aspect to an iron-based alloy powder containing non-spherical particles and at least 40% of the total amount of particles have a non-spherical shape. The alloy mandatorily comprises the elements Fe (iron), Cr (chrome) and Mo (molybdenum). Furthermore, the alloy may comprise further elements such as C (carbon), Ni (nickel), Nb (niobium) or Si (silicon). The present invention relates, according to a second aspect, to an iron-based alloy powder wherein the alloy comprises the elements Fe, Cr and Mo and the iron-based alloy powder is produced by an ultra-high liquid atomization process comprising at least two stages as defined below.