HIGH GAMMA PRIME NICKEL BASED SUPERALLOY AND METHOD OF MANUFACTURING OF TURBINE ENGINE COMPONENTS

• Main Authors: GONCHAROV ALEXANDER B, LOWDEN PAUL, LIBURDI JOSEPH
• Format: Patent
• Language: English; Korean
• Published: 03.03.2021
• Subjects: ALLOYS; CASTING; CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS; CHEMISTRY; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; FERROUS OR NON-FERROUS ALLOYS; INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MACHINE TOOLS; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MEASURING; METAL-WORKING NOT OTHERWISE PROVIDED FOR; METALLURGY; PERFORMING OPERATIONS; PHYSICS; POWDER METALLURGY; SOLDERING OR UNSOLDERING; TESTING; TRANSPORTING; TREATMENT OF ALLOYS OR NON-FERROUS METALS; WELDING; WORKING BY LASER BEAM; WORKING METALLIC POWDER

The present invention relates to a high gamma prime nickel-based superalloy, a use of the superalloy, and a method for manufacturing a turbine engine part by welding, 3D additional manufacturing, casting, and hot forming. The superalloy comprises: 9.0-10.5 wt% of Cr; 20-22 wt% of Co; 1.0-1.4 wt% of Mo; 5.0-5.8 wt% of W; 2.0-6.0 wt% of Ta; 3.0-6.5 wt% of Al; 0.2-1.5 wt% of Hf; 0.01-0.16 wt% of C; 0-1.0 wt% of Ge; 0-1.0 wt% of Si; 0-0.2 wt% of Y; 0-0.015 wt% of B; 1.5-3.5 wt% of Re; and Ni and the remainder of impurities. 본 발명은 고 감마 프라임 니켈계 초합금, 그것의 용도 및 용접, 3D 첨가 제조, 주조 및 열간 성형에 의한 터빈 엔진 부품의 제조 방법에 관한 것이고, 상기 초합금은 9.0 내지 10.5 중량% Cr, 20 내지 22 중량% Co, 1.0 내지 1.4 중량% Mo, 5.0 내지 5.8 중량% W, 2.0 내지 6.0 중량% Ta, 3.0 내지 6.5 중량% Al, 0.2 내지 1.5 중량% Hf, 0.01 내지 0.16 중량% C, 0 내지 1.0 중량% Ge,0 내지 1.0 중량% Si, 0 내지 0.2 중량% Y,0 내지 0.015 중량% B, 1.5 내지 3.5 중량% Re, 및 니켈 및 잔부의 불순물을 포함한다.