Fe2NiN2

Fe2NiN2 is an iron-nickel nitride intermetallic compound that combines iron and nickel with nitrogen to create a hard, dense metallic material. This material is primarily of research interest for applications requiring high hardness and wear resistance, particularly in wear-protective coatings and tool applications where the nitride strengthening effect provides advantages over conventional iron-nickel alloys. The nickel content enhances ductility and corrosion resistance compared to pure iron nitrides, making it a candidate material for extreme-service components, though industrial adoption remains limited outside specialized coating and research contexts.