HIGH STRENGTH AND DUCTILITY ALPHA/BETA TITANIUM ALLOY

• Main Authors: BRYAN DAVID J, MANTIONE JOHN V, BAYHA THOMAS D
• Format: Patent
• Language: English; Korean
• Published: 10.05.2018
• Subjects: ALLOYS; CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS; CHEMISTRY; FERROUS OR NON-FERROUS ALLOYS; METALLURGY; TREATMENT OF ALLOYS OR NON-FERROUS METALS

총 합금 중량을 기준으로 하기를 중량 퍼센트로 포함하는 알파/베타 티타늄 합금: 3.9 내지 4.5 알루미늄; 2.2 내지 3.0 바나듐; 1.2 내지 1.8 철; 0.24 내지 0.30 산소; 최대 0.08 탄소; 최대 0.05 질소; 최대 0.015 수소; 티타늄; 및 최대 총 0.30 다른 원소들. 알파/베타 티타늄 합금의 비제한적 구현예는 범위 6.4 내지 7.2의 알루미늄 당량 값을 포함하고, 범위 120 ksi (827.4 MPa) 내지 155 ksi (1,069 MPa)의 항복강도를 나타내고, 범위 130 ksi (896.3 MPa) 내지 165 ksi (1,138 MPa)의 최대 인장강도를 나타내고, 범위 12 내지 30 신장 퍼센트의 전성을 나타낸다. An alpha/beta titanium alloy comprising, in percent by weight based on total alloy weight: 3.9 to 4.5 aluminum; 2.2 to 3.0 vanadium; 1.2 to 1.8 iron; 0.24 to 0.30 oxygen; up to 0.08 carbon; up to 0.05 nitrogen; up to 0.015 hydrogen ; titanium; and up to a total of 0.30 of other elements. A non-limiting embodiment of the alpha/beta titanium alloy comprises an aluminum equivalent value in the range of 6.4 to 7.2, exhibits a yield strength in the range of 120 ksi (827.4 MPa) to 155 ksi (1,069 MPa), exhibits an ultimate tensile strength in the range of 130 ksi (896.3 MPa) to 165 ksi (1,138 MPa), and exhibits a ductility in the range of 12 to 30 percent elongation.