Powder-based additive manufacturing of high-nitrogen stainless steels and austenitic nickel alloys

Emilie Hørdum Valente (Inventor), Marcel Adrianus Johannes Somers (Inventor), Thomas Lundin Christiansen (Inventor), David Bue Pedersen (Inventor), Venkata Karthik Nadimpalli (Inventor), Sebastian Aagaard Andersen (Inventor)

Research output: Patent

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Abstract

Powder mixture compositions, consisting essentially of a stainless steel or austenitic nickel alloy powder and an additive powder containing chromium and nitrogen and/or carbon, are disclosed, together with the use of such powder mixture compositions in full-melt powder-based additive manufacturing to build components having increased levels of dissolved chromium and nitrogen, and/or carbon, leading to improved mechanical properties and corrosion resistance.

Original languageEnglish
IPCC22C 1/ 04 A N
Patent numberWO2022243336
Filing date17/05/2022
Country/TerritoryInternational Bureau of the World Intellectual Property Organization (WIPO)
Priority date17/05/2021
Priority numberEP20210174164
Publication statusPublished - 24 Nov 2022

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