ArcelorMittal (20250091131). Ferrous alloy powder for additive manufacturing
Ferrous alloy powder for additive manufacturing
Organization Name
Inventor(s)
Valérie Daeschler of Roncourt FR
Luis Miguel Sanz Moral of Gozon, Asturias ES
Rosalía Rementeria Fernandez of Avilés, Asturias ES
Laura Del Rio Fernandez of Avilés, Asturias ES
Ferrous alloy powder for additive manufacturing
This abstract first appeared for US patent application 20250091131 titled 'Ferrous alloy powder for additive manufacturing
Original Abstract Submitted
a ferrous alloy powder for additive manufacturing, obtained by atomization with a gas made of at least 95% in volume of nitrogen, the alloy including carbon up to 0.5 wt. %, titanium up to 11.0 wt. %, boron up to 5 wt. %, manganese up to 30 wt. %, aluminium up to 15 wt. %, silicon up to 1.5 wt. %, vanadium up to 0.5 wt. %, copper up to 2 wt. %, niobium up to 2 wt. %, the remainder being iron and residual elements, the powder including endogenous nitrides and/or carbonitrides of at least one element chosen among a group consisting of titanium, aluminium, boron, vanadium, silicon, and niobium, the nitrogen content of such ferrous alloy powder being above the solubility limit of nitrogen in such alloy, at the atomization temperature. a manufacturing method of such powder is also provided.