NICKEL ALUMINIUM ALLOY COMPOSITIONS

• Main Author: HARRIS, Christopher
• Format: Patent
• Language: English; French
• Published: 29.09.2022
• Subjects: ALLOYS; BLASTING; CASTING; CHEMISTRY; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES; ENGINE PLANTS IN GENERAL; FERROUS OR NON-FERROUS ALLOYS; HEATING; LIGHTING; MACHINE TOOLS; MACHINES OR ENGINES IN GENERAL; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MECHANICAL ENGINEERING; METAL-WORKING NOT OTHERWISE PROVIDED FOR; METALLURGY; PERFORMING OPERATIONS; POWDER METALLURGY; SOLDERING OR UNSOLDERING; STEAM ENGINES; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS; WEAPONS; WELDING; WORKING BY LASER BEAM; WORKING METALLIC POWDER

Aspects of the present invention relate to a composition for use in laser cladding a surface of a machined or cast aluminium part (100a), the composition comprising a matrix material and a hardener, wherein the hardener is present in an amount of at least 1wt% and at most about 20wt% and the balance of the composition comprising the matrix material, wherein the matrix material comprises nickel and aluminium, and wherein the hardener is chromium carbide. Des aspects de la présente invention concernent une composition destinée à être utilisée dans le placage au laser d'une surface d'une pièce en aluminium usinée ou coulée (100a), la composition comprenant un matériau de matrice et un durcisseur, le durcisseur étant présent en une quantité d'au moins 1 % en poids et d'au plus environ 20 % en poids et le reste de la composition comprenant le matériau de matrice, le matériau de matrice comprenant du nickel et de l'aluminium et le durcisseur étant du carbure de chrome.